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SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 3696 / length of data axis 1
NAXIS2 = 2760 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
MIPS-FHI= 1 / Upper visualization cutoff
MIPS-FLO= 0 / Lower visualization cutoff
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2023-03-18T12:56:36' / UTC date that FITS file was created
DATE-OBS= '2023-03-17T18:25:22.825289' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ASCOM ToupTek Camera Driver' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'TOP-DOWN' / Order of the rows in image array
XPIXSZ = 4.63 / X pixel size microns
YPIXSZ = 4.63 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
CCD-TEMP= -10.1 / CCD temp in C
EXPTIME = 60 / Exposure time [s]
STACKCNT= 103 / Stack frames
LIVETIME= 6180 / Exposure time after deadtime correction
EXPSTART= 2.46002e+06 / Exposure start time (standard Julian date)
EXPEND = 2.46002e+06 / Exposure end time (standard Julian date)
FILTER = 'Lenahnce' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'Barnard33' / Name of the object of interest
GAIN = 2000 /
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 5524 / length of data axis 1
NAXIS2 = 3502 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2023-06-27T08:58:44' / UTC date that FITS file was created
DATE-OBS= '2023-06-26T21:21:17' / YYYY-MM-DDThh🇲🇲ss observation start, UT
INSTRUME= 'Canon EOS 1500D' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 3.7 / X pixel size microns
YPIXSZ = 3.7 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 50 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
EXPTIME = 89 / Exposure time [s]
STACKCNT= 47 / Stack frames
LIVETIME= 4183 / Exposure time after deadtime correction
EXPSTART= 2.46012e+06 / Exposure start time (standard Julian date)
EXPEND = 2.46012e+06 / Exposure end time (standard Julian date)
ISOSPEED= 1600 / ISO camera setting
HISTORY mean stacking with winsorized sigma clipping rejection (low=3.000 high=3
HISTORY .000), additive+scaling normalized input, normalized output, no image we
HISTORY ighting, equalized RGB
HISTORY Crop (x=154, y=415, w=5
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 4144 / length of data axis 1
NAXIS2 = 2822 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-08-04T20:29:09' / UTC date that FITS file was created
DATE-OBS= '2024-07-30T00:11:17.119036' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI294MC Pro' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'ZWO AM5 ' / telescope used to acquire this image
XPIXSZ = 4.63 / X pixel size microns
YPIXSZ = 4.63 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 449 / Camera focal length
CCD-TEMP= -10 / CCD temp in C
SET-TEMP= -10 / Temperature setting in C
EXPTIME = 120 / Exposure time [s]
STACKCNT= 57 / Stack frames
LIVETIME= 6840 / Exposure time after deadtime correction
EXPSTART= 2.46052e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46052e+006 / Exposure end time (standard Julian date)
IMAGETYP= 'Light ' / Type of image
CVF = 1.06163 / Conversion factor (e-/adu)
GAIN = 115 / Camera gain
OFFSET = 30 / Camera offset
RA = 11.0417 / Image center Right Ascension (deg)
DEC =
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 3858 / length of data axis 1
NAXIS2 = 2456 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-08-03T17:01:07' / UTC date that FITS file was created
DATE-OBS= '2014-01-01T22:52:02' / YYYY-MM-DDThh🇲🇲ss observation start, UT
INSTRUME= 'Sony ILCE-7S' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 8.36 / X pixel size microns
YPIXSZ = 8.36 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 398.593 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
SET-TEMP= 0 / Temperature setting in C
EXPTIME = 29.3333 / Exposure time [s]
STACKCNT= 758 / Stack frames
LIVETIME= 22644 / Exposure time after deadtime correction
EXPSTART= 2.45666e+006 / Exposure start time (standard Julian date)
EXPEND = 2.45666e+006 / Exposure end time (standard Julian date)
FILTER = 'mixed_Starless' / Active filter name
ISOSPEED= 40000 / ISO camera setting
CTYPE1 = 'RA---TAN' / Coordinate type for the first axis
CTYPE2 = 'DEC--TAN' / Coordinate type for the second axis
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000 / Equatorial equinox
OBJCTRA = '23 17 25.744' / Image center Right Ascension (hms)
OBJCTDEC= '+60 44 44.697' / Image center Declination (dms)
RA = 349.357 / Image center Right Ascension (deg)
DEC = 60.7458 / Image center Declination (deg)
CRPIX1 = 1929 / Axis1 reference pixel
CRPIX2 = 1228 / Axis2 reference pixel
CRVAL1 = 349.357 / Axis1 reference value (deg)
CRVAL2 = 60.7458 / Axis2 reference value (deg)
CDELT1 = -0.00120184 / X pixel size (deg)
CDELT2 = 0.00120158 / Y pixel size (deg)
PC1_1 = 0.0345473 / Linear transformation matrix (1, 1)
PC1_2 = 0.999403 / Linear transformation matrix (1, 2)
PC2_1 = -0.999392 / Linear transformation matrix (2, 1)
PC2_2 = 0.0348672 / Linear transformation matrix (2, 2)
PLTSOLVD= T / Siril internal solve
HISTORY Recadrage (x=274, y=167, w=3858, h=2456)
HISTORY SCNR (type=neutre moyen, qté=1.00, préserve=true)
HISTORY Transformation asinh : (stretch= 400.0, bp=0.00100)
HISTORY Transf. histogramme (mid=0.218, lo=0.129, hi=1.000)
HISTORY Photométrie
HISTORY Rehaussement de la saturation (quantité=-0.06)
HISTORY Correction cosmétique
HISTORY Correction cosmétique
HISTORY Rehaussement de la saturation (quantité=0.96)
HISTORY Transf. histogramme (mid=0.474, lo=0.056, hi=0.938)
HISTORY Débruitage NL-Bayes (mod=1.000, CC activée)
END
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 4164 / length of data axis 1
NAXIS2 = 2795 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2023-06-02T14:05:42' / UTC date that FITS file was created
DATE-OBS= '2023-03-18T11:43:23.257000' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'QHY294PROM' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'WO Z61II + Reducer' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 4.63 / X pixel size microns
YPIXSZ = 4.63 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 288 / Camera focal length
CCD-TEMP= -10 / CCD temp in C
EXPTIME = 300 / Exposure time [s]
STACKCNT= 127 / Stack frames
LIVETIME= 38100 / Exposure time after deadtime correction
FILTER = 'mixed ' / Active filter name
IMAGETYP= 'LIGHT ' / Type of image
OBJECT = 'eta Car Nebula' / Name of the object of interest
GAIN = 1600 / Camera gain
OFFSET = 15 / Camera offset
SITELAT = -33.8082 / [deg] Observation site latitude
SITELONG= 151.084 / [deg] Observation site longitude
SITEELEV= 29.55 / [m
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 5291 / length of data axis 1
NAXIS2 = 3530 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
MIPS-FHI= 1 / Upper visualization cutoff
MIPS-FLO= 0 / Lower visualization cutoff
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-03-10T21:27:25' / UTC date that FITS file was created
DATE-OBS= '2024-03-07T20:22:04.828180' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI183MC Pro' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'TOP-DOWN' / Order of the rows in image array
XPIXSZ = 2.4 / X pixel size microns
YPIXSZ = 2.4 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 372.063 / Camera focal length
CCD-TEMP= -20 / CCD temp in C
EXPTIME = 120 / Exposure time [s]
STACKCNT= 205 / Stack frames
LIVETIME= 24600 / Exposure time after deadtime correction
EXPSTART= 2.46038e+06 / Exposure start time (standard Julian date)
EXPEND = 2.46038e+06 / Exposure end time (standard Julian date)
IMAGETYP= 'Light ' / Type of image
OBJECT = 'M101 ' / Name of the object of interest
GAIN = 186 / Camera
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1080 / length of data axis 1
NAXIS2 = 1920 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-08-24T22:52:13' / UTC date that FITS file was created
DATE-OBS= '2024-08-02T23:25:04.355699' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'Seestar S50' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Seestar S50' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 250 / Camera focal length
CCD-TEMP= 28.875 / CCD temp in C
EXPTIME = 10 / Exposure time [s]
STACKCNT= 75 / Stack frames
LIVETIME= 750 / Exposure time after deadtime correction
EXPSTART= 2.46053e+06 / Exposure start time (standard Julian date)
EXPEND = 2.46053e+06 / Exposure end time (standard Julian date)
FILTER = 'mixed ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'M 22 ' / Name of the object of interest
APERTURE= 5 / Aperture of the instrument
GAIN = 80 / Camera gain
SITELAT = 28.2944 / [deg] Observation site latitude
SITELONG= -16.5647 / [deg] Observation site longitude
RA = 279.587 / Image center Right Ascension (deg)
DEC = -23.7894 / Image center Declination (deg)
END
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1587 / length of data axis 1
NAXIS2 = 949 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2023-04-22T15:03:01' / UTC date that FITS file was created
DATE-OBS= '2023-04-20T21:43:21.851000' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI385MC' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'lunette 72' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 3.75 / X pixel size microns
YPIXSZ = 3.75 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 430.561 / Camera focal length
CCD-TEMP= 11.8 / CCD temp in C
EXPTIME = 300 / Exposure time [s]
STACKCNT= 14 / Stack frames
LIVETIME= 4200 / Exposure time after deadtime correction
IMAGETYP= 'LIGHT ' / Type of image
OBJECT = 'NGC 4565' / Name of the object of interest
CVF = 1.14542 / Conversion factor (e-/adu)
GAIN = 120 / Camera gain
OFFSET = 1 / Camera offset
SITELAT = 45.8061 / [deg] Observation site latitude
SITELONG= 3.2361 / [deg] Observation site longitude
SITEELEV=
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 5073 / length of data axis 1
NAXIS2 = 3549 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
MIPS-FHI= 1 / Upper visualization cutoff
MIPS-FLO= 0 / Lower visualization cutoff
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2023-08-23T17:40:20' / UTC date that FITS file was created
DATE-OBS= '2023-08-22T20:45:09.679875' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI183MC Pro' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 2.4 / X pixel size microns
YPIXSZ = 2.4 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 459.37 / Camera focal length
CCD-TEMP= -18 / CCD temp in C
EXPTIME = 120 / Exposure time [s]
STACKCNT= 154 / Stack frames
LIVETIME= 18480 / Exposure time after deadtime correction
EXPSTART= 2.46018e+06 / Exposure start time (standard Julian date)
EXPEND = 2.46018e+06 / Exposure end time (standard Julian date)
FILTER = 'mixed ' / Active filter name
IMAGETYP= 'Light ' / Type of image
OBJECT = 'PELICAN 22082023' / Name of the object
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 6248 / length of data axis 1
NAXIS2 = 4176 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
MIPS-FHI= 1 / Upper visualization cutoff
MIPS-FLO= 0 / Lower visualization cutoff
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-06-17T15:41:09' / UTC date that FITS file was created
DATE-OBS= '2024-06-06T04:11:01.012000' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI2600MC Pro' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'Askar FRA500' / telescope used to acquire this image
ROWORDER= 'TOP-DOWN' / Order of the rows in image array
XPIXSZ = 3.76 / X pixel size microns
YPIXSZ = 3.76 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 498.941 / Camera focal length
CCD-TEMP= -10 / CCD temp in C
EXPTIME = 600 / Exposure time [s]
STACKCNT= 42 / Stack frames
LIVETIME= 25200 / Exposure time after deadtime correction
EXPSTART= 2.46047e+06 / Exposure start time (standard Julian date)
EXPEND = 2.46048e+06 / Exposure end time (standard Julian date)
IMAGETYP= 'LIGHT ' / Type of image
OBJECT = 'IC 1396 ' / Name of the object of interest
CVF = 0.242863 / Conversion factor (e-/adu)
GAIN = 100 / Camera gain
OFFSET = 20 / Camera offset
SITELAT = 46.8538 / [deg] Observation site latitude
SITELONG= -71.3694 / [deg] Observation site longitude
CTYPE1 = 'RA---TAN' / Coordinate type for the first axis
CTYPE2 = 'DEC--TAN' / Coordinate type for the second axis
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000 / Equatorial equinox
OBJCTRA = '21 39 4.610' / Image center Right Ascension (hms)
OBJCTDEC= '+57 29 12.231' / Image center Declination (dms)
RA = 324.769 / Image center Right Ascension (deg)
DEC = 57.4867 / Image center Declination (deg)
CRPIX1 = 3124 / Axis1 reference pixel
CRPIX2 = 2088 / Axis2 reference pixel
CRVAL1 = 324.769 / Axis1 reference value (deg)
CRVAL2 = 57.4867 / Axis2 reference value (deg)
CDELT1 = -0.000431773 / X pixel size (deg)
CDELT2 = 0.000431786 / Y pixel size (deg)
PC1_1 = -0.930218 / Linear transformation matrix (1, 1)
PC1_2 = -0.367286 / Linear transformation matrix (1, 2)
PC2_1 = 0.366996 / Linear transformation matrix (2, 1)
PC2_2 = -0.930113 / Linear transformation matrix (2, 2)
PLTSOLVD= T / Siril internal solve
AIRMASS = 1.37417 / Airmass
HISTORY mean stacking with winsorized sigma clipping rejection (low=5.000 high=5
HISTORY Photometric CC
HISTORY Background extraction (Correction: Subtraction)
HISTORY Asinh Transformation: (stretch= 139.7, bp=0.00000)
HISTORY Histogram Transf. (mid=0.064, lo=0.041, hi=1.000)
END
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 4164 / length of data axis 1
NAXIS2 = 2795 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2023-06-02T13:43:58' / UTC date that FITS file was created
DATE-OBS= '2023-05-02T13:54:06.033000' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'QHY294PROM' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'WO Z61II + Reducer' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 4.63 / X pixel size microns
YPIXSZ = 4.63 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 288 / Camera focal length
CCD-TEMP= -10 / CCD temp in C
EXPTIME = 180 / Exposure time [s]
STACKCNT= 25 / Stack frames
LIVETIME= 4500 / Exposure time after deadtime correction
FILTER = 'mixed ' / Active filter name
IMAGETYP= 'LIGHT ' / Type of image
OBJECT = 'Running Chicken Nebu' / Name of the object of interest
GAIN = 1600 / Camera gain
OFFSET = 15 / Camera offset
SITELAT = -33.8082 / [deg] Observation site latitude
SITELONG= 151.084 / [deg] Observation site longitude
SITEELEV= 29.55 /
SIMPLE = T / file does conform to FITS standard
BITPIX = 20 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 2905 / length of data axis 1
NAXIS2 = 2392 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-10-28T23:22:58' / UTC date that FITS file was created
DATE-OBS= '2024-01-02T23:03:20.486000' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI2600MC Pro' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'William Zenithstar 61' / telescope used to acquire this image
ROWORDER= 'TOP-DOWN' / Order of the rows in image array
XPIXSZ = 3.76 / X pixel size microns
YPIXSZ = 3.76 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 369.63 / Camera focal length
CCD-TEMP= -9.9 / CCD temp in C
SET-TEMP= -10 / Temperature setting in C
EXPTIME = 300 / Exposure time [s]
STACKCNT= 38 / Stack frames
LIVETIME= 11400 / Exposure time after deadtime correction
EXPSTART= 2.46031e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46031e+006 / Exposure end time (standard Julian date)
FILTER = 'Starless' / Active filter name
IMAGETYP= 'LIGHT ' / Type of image
OBJECT = 'NGC 7380' / Name of the object of interest
CVF = 0.242863 / Conversion fac
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 3691 / length of data axis 1
NAXIS2 = 1965 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0. / Offset data range to that of unsigned short
BSCALE = 1. / Default scaling factor
PROGRAM = 'Siril 1.4.0-beta4' / Software that created this HDU
FILENAME= 'NGC_7635_Bubble_Light (54).fits'
DATE = '2025-10-14T18:35:45' / UTC date that FITS file was created
DATE-OBS= '2025-09-22T22:23:26.767000' / YYYY-MM-DDThh🇲🇲ss observation start,
IMAGETYP= 'Light Frame' / Type of image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
EXPTIME = 120. / [s] Exposure time duration
TELESCOP= 'ALTAIR 60ED 285@F\4.8' / Telescope used to acquire this image
FOCALLEN= 282.461 / [mm] Focal length
CENTALT = 72.11842 / [deg] Altitude of telescope
CENTAZ = 12.91167 / [deg] Azimuth of telescope
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 2.9 / [um] Pixel X axis size
YPIXSZ = 2.9 / [um] Pixel Y axis size
INSTRUME= 'ZWO CCD ASI585MC Pro' / Instrument name
CCD-TEMP= -1. / [degC] CCD temperature
GAIN = 252 / Sensor gain
OFFSET = 10 / Sensor gain offset
FOCPOS = 4509 / [step] Focuser position
FOCTEMP = 15.48 / [degC] Focuser temperature
STACKCNT= 58 / Stack frames
LIVETIME= 6960. / [s] Exposure time after deadtime correction
EXPSTART= 2460941.3897226 / [JD] Exposure start time (standard Julian date)
EXPEND = 2460944.60884277 / [JD] Exposure end time (standard Julian date)
OBJECT = 'Sh2 162 ' / Name of the object of interest
AIRMASS = 1.050686 / Airmass at frame center (Gueymard 1993)
SITELAT = 44.21667 / [deg] Observation site latitude
SITELONG= 3.733333 / [deg] Observation site longitude
OBJCTRA = '23 20 52.195' / [H M S] Image center Right Ascension
OBJCTDEC= '+61 12 28.703' / [D M S] Image center Declination
RA = 350.217477463557 / [deg] Image center Right Ascension
DEC = 61.2079730644871 / [deg] Image center Declination
CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions
CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000. / Equatorial equinox
CRPIX1 = 1837.5 / Axis1 reference pixel
CRPIX2 = 974.5 / Axis2 reference pixel
CRVAL1 = 350.207775036384 / [deg] Axis1 reference value
CRVAL2 = 61.2132801128552 / [deg] Axis2 reference value
LONPOLE = 180. / Native longitude of celestial pole
CDELT1 = -0.00058830773425128 / [deg] X pixel size
CDELT2 = 0.000588192338233164 / [deg] Y pixel size
PC1_1 = -0.997981989925106 / Linear transformation matrix (1, 1)
PC1_2 = 0.0634976203107346 / Linear transformation matrix (1, 2)
PC2_1 = -0.0634318661598284 / Linear transformation matrix (2, 1)
PC2_2 = -0.997986171424976 / Linear transformation matrix (2, 2)
A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky
A_0_0 = 0.
A_1_0 = 0.
A_0_1 = 0.
A_2_0 = 9.41523703598515E-08
A_1_1 = -9.88207826651466E-08
A_0_2 = 2.12578539771632E-09
A_3_0 = -6.53696426575744E-10
A_2_1 = 2.1363639298717E-11
A_1_2 = -6.29268911002666E-10
A_0_3 = 3.00103557623282E-11
B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky
B_0_0 = 0.
B_1_0 = 0.
B_0_1 = 0.
B_2_0 = -4.80083420188451E-09
B_1_1 = 1.02012585149506E-07
B_0_2 = -1.0931161052628E-07
B_3_0 = 1.00216505530888E-11
B_2_1 = -6.25071803267454E-10
B_1_2 = -1.03489842464797E-11
B_0_3 = -6.31199203030735E-10
AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel
AP_0_0 = 0.000926054911037176
AP_1_0 = -8.77364601015174E-06
AP_0_1 = -3.12467402361949E-07
AP_2_0 = -9.54533503297082E-08
AP_1_1 = 9.97376571236109E-08
AP_0_2 = -3.14299616055984E-09
AP_3_0 = 6.60961195922107E-10
AP_2_1 = -2.1627445732551E-11
AP_1_2 = 6.37909588719738E-10
AP_0_3 = -2.97406849747559E-11
BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel
BP_0_0 = 2.79011869830962E-05
BP_1_0 = -2.01416905107562E-07
BP_0_1 = -5.52870273384798E-06
BP_2_0 = 4.87402209434737E-09
BP_1_1 = -1.0302374653656E-07
BP_0_2 = 1.09637648175338E-07
BP_3_0 = -1.00916078458001E-11
BP_2_1 = 6.31701026778199E-10
BP_1_2 = 1.0908443807636E-11
BP_0_3 = 6.36747832531706E-10
PLTSOLVD= T / Siril internal solver
HISTORY Plate Solve
HISTORY Synthetic stars: desaturate clipped stars
HISTORY Crop (x=83, y=89, w=3691, h=1965)
HISTORY Photometric CC (algorithm: PCC)
HISTORY Cosmetic Correction
HISTORY Deconvolution
HISTORY Saturation enhancement (amount=0.39)
HISTORY GHS pivot: 0.000, amount: 4.33, local: 0.00 [0.00 1.00]
HISTORY GHS pivot: 0.000, amount: 3.50, local: 0.00 [0.00 1.00]
HISTORY GHS pivot: 0.000, amount: 2.49, local: 0.00 [0.00 1.00]
HISTORY GHS pivot: 0.000, amount: 0.66, local: 0.00 [0.00 1.00]
HISTORY GHS LINEAR BP: 0.05
HISTORY GHS pivot: 0.024, amount: 1.82, local: 0.00 [0.00 1.00]
HISTORY GHS pivot: 0.101, amount: 0.73, local: 0.00 [0.00 1.00]
HISTORY GHS LINEAR BP: 0.04
HISTORY GHS SAT pivot: 0.047, amount: 0.70, local: 2.03 [0.00 1.00]
HISTORY GHS pivot: 0.131, amount: 0.50, local: -3.22 [0.00 1.00]
FRAME = 'Light ' / Frame Type
APTDIA = 6.000E+01 / Telescope diameter (mm)
SCALE = 2.099193E+00 / arcsecs per pixel
PIERSIDE= 'WEST ' / West, looking East
RADECSYS= 'FK5 ' / RADECSYS
SECPIX1 = 2.0991930515E+00 / SECPIX1
SECPIX2 = 2.0991930515E+00 / SECPIX2
COMMENT Generated by INDI
WB_R = 5.500E+01 / White Balance - Red
WB_B = 7.500E+01 / White Balance - Blue
END
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 5496 / length of data axis 1
NAXIS2 = 3670 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0. / Offset data range to that of unsigned short
BSCALE = 1. / Default scaling factor
PROGRAM = 'Siril 1.4.0-beta1' / Software that created this HDU
FILENAME= 'IMG_9459.CR2'
DATE = '2025-08-28T12:30:13' / UTC date that FITS file was created
DATE-OBS= '2025-08-14T20:57:59' / YYYY-MM-DDThh🇲🇲ss observation start, UT
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
EXPTIME = 20.1000003814697 / [s] Exposure time duration
APERTURE= 1.79999995231628 / Aperture of the instrument
ISOSPEED= 800. / ISO camera setting
FOCALLEN= 50. / [mm] Focal length
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 4.05999994277954 / [um] Pixel X axis size
YPIXSZ = 4.05999994277954 / [um] Pixel Y axis size
INSTRUME= 'Canon EOS 70D' / Instrument name
STACKCNT= 12 / Stack frames
LIVETIME= 241.200004577636 / [s] Exposure time after deadtime correction
EXPSTART= 2460902.37010417 / [JD] Exposure start time (standard Julian date)
EXPEND = 2460902.37586921 / [JD] Exposure end time (standard Julian date)
HISTORY Histogram Transf. (mid=0.006, lo=0.034, hi=1.000)
HISTORY SCNR (type=average neutral, amount=1.00, preserve=true)
HISTORY Asinh Transformation: (stretch= 0.0, bp=0.15251)
HISTORY Curves Transformation w
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SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 1080 / length of data axis 1
NAXIS2 = 1920 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0. / Offset data range to that of unsigned short
BSCALE = 1. / Default scaling factor
PROGRAM = 'Siril 1.4.0-beta2' / Software that created this HDU
FILENAME= 'Light_M 20_20.0s_LP_20250703-001701.fit'
DATE = '2025-07-04T04:34:12' / UTC date that FITS file was created
DATE-OBS= '2025-07-03T05:16:37.866139' / YYYY-MM-DDThh🇲🇲ss observation start,
IMAGETYP= 'Light ' / Type of image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
EXPTIME = 20. / [s] Exposure time duration
TELESCOP= 'S50_f1c10930' / Telescope used to acquire this image
FILTER = 'LP_Starless' / Active filter name
APERTURE= 5. / Aperture of the instrument
FOCALLEN= 251.983 / [mm] Focal length
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 2.90000009536743 / [um] Pixel X axis size
YPIXSZ = 2.90000009536743 / [um] Pixel Y axis size
INSTRUME= 'Seestar S50' / Instrument name
CCD-TEMP= 34.0625 / [degC] CCD temperature
GAIN = 80 / Sensor gain
FOCPOS = 1646 / [step] Focuser position
STACKCNT= 81 / Stack frames
LIVETIME= 1620. / [s] Exposure time after deadtime correction
EXPSTART= 2460859.71067701 / [JD] Exposure start time (standard Julian date)
EXPEND = 2460859.74338782 / [JD] Exposure end time (standard Julian date)
OBJECT = 'M 20 ' / Name of the object of interest
SITELAT = 41.1124 / [deg] Observation site latitude
SITELONG= -101.715 / [deg] Observation site longitude
OBJCTRA = '18 03 0.912' / [H M S] Image center Right Ascension
OBJCTDEC= '-22 56 53.794' / [D M S] Image center Declination
RA = 270.75379802227 / [deg] Image center Right Ascension
DEC = -22.9482760898568 / [deg] Image center Declination
CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions
CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000. / Equatorial equinox
CRPIX1 = 540.5 / Axis1 reference pixel
CRPIX2 = 960.5 / Axis2 reference pixel
CRVAL1 = 270.75379802227 / [deg] Axis1 reference value
CRVAL2 = -22.9482760898568 / [deg] Axis2 reference value
LONPOLE = 180. / Native longitude of celestial pole
CDELT1 = -0.000659118221021654 / [deg] X pixel size
CDELT2 = 0.000659684832394151 / [deg] Y pixel size
PC1_1 = 0.998902929922817 / Linear transformation matrix (1, 1)
PC1_2 = -0.0468288008773594 / Linear transformation matrix (1, 2)
PC2_1 = 0.047596415243214 / Linear transformation matrix (2, 1)
PC2_2 = 0.998866648385056 / Linear transformation matrix (2, 2)
A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky
A_0_0 = 0.
A_1_0 = 0.
A_0_1 = 0.
A_2_0 = -2.66751500829399E-07
A_1_1 = 3.57708998855356E-08
A_0_2 = 2.93094316171674E-08
A_3_0 = -6.18894261318619E-10
A_2_1 = -2.33482386709889E-10
A_1_2 = 9.72134624650014E-11
A_0_3 = 6.46764349186079E-12
B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky
B_0_0 = 0.
B_1_0 = 0.
B_0_1 = 0.
B_2_0 = 3.37781644863197E-08
B_1_1 = -3.00655989189538E-08
B_0_2 = -6.62568281732217E-08
B_3_0 = -4.57817093779559E-10
B_2_1 = 3.19788344955014E-11
B_1_2 = -1.41076008020468E-11
B_0_3 = -1.50998722024487E-11
AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel
AP_0_0 = -1.26524401027948E-06
AP_1_0 = -1.08460789238762E-08
AP_0_1 = 1.16328740104109E-09
AP_2_0 = 2.6693347344339E-07
AP_1_1 = -3.57483258463563E-08
AP_0_2 = -2.93253936623439E-08
AP_3_0 = 6.19380207525904E-10
AP_2_1 = 2.33592231672804E-10
AP_1_2 = -9.72414444748814E-11
AP_0_3 = -6.4784881252916E-12
BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel
BP_0_0 = -2.44915740828672E-06
BP_1_0 = -5.30254138762594E-09
BP_0_1 = -1.7210534108969E-09
BP_2_0 = -3.36849294509681E-08
BP_1_1 = 3.00703992709333E-08
BP_0_2 = 6.62576195459568E-08
BP_3_0 = 4.58036990847168E-10
BP_2_1 = -3.18800134626751E-11
BP_1_2 = 1.40908682827743E-11
BP_0_3 = 1.51071494932665E-11
HISTORY Saturation enhancement (amount=0.21)
HISTORY Saturation enhancement (amount=0.39)
CREATOR = 'ZWO Seestar S50' / Capture software
PRODUCER= 'ZWO ' / Powered by ZWO
XORGSUBF= 0 / Subframe X position in binned pixels
YORGSUBF= 0 / Subframe Y position in binned pixels
EQMODE = 1 / Equatorial mode
CCDXBIN = 1 / Camera X Bin
CCDYBIN = 1 / Camera Y Bin
TOTALEXP= 20. / Total Exposure Time in seconds
BG-EXTR = 'GraXpert'
CBG-1 = 0.15239015
CBG-2 = 0.15239015
CBG-3 = 0.15239015
INTP-OPT= 'RBF '
HIERARCH SMOOTHING = 0.5
HIERARCH CORR-TYPE = 'Subtraction'
HIERARCH SAMPLE-SIZE = 15
HIERARCH RBF-KERNEL = 'thin_plate'
HIERARCH SPLINE-ORDER = 3
BG-PTS = '[[202, 668, 1], [267, 597, 1], [339, 597, 1], [309, 555, 1], [381, &'
CONTINUE '525, 1], [21, 669, 1], [93, 669, 1], [165, 699, 1], [237, 699, 1], &'
CONTINUE '[195, 741, 1], [267, 741, 1], [21, 597, 1], [125, 449, 1], [36, &'
CONTINUE '396, 1], [93, 411, 1], [165, 411, 1], [237, 411, 1], [267, 339, &'
CONTINUE '1], [93, 483, 1], [76, 89, 1], [51, 21, 1], [123, 21, 1], [165, &'
CONTINUE '51, 1], [21, 93, 1], [93, 93, 1], [165, 93, 1], [267, 123, 1], &'
CONTINUE '[309, 123, 1], [411, 93, 1], [483, 93, 1], [483, 195, 1], [309, &'
CONTINUE '51, 1], [267, 165, 1], [787, 127, 1], [771, 123, 1], [741, 165, &'
CONTINUE '1], [828, 180, 1], [900, 180, 1], [987, 165, 1], [987, 123, 1], &'
CONTINUE '[1059, 93, 1], [987, 21, 1], [1059, 51, 1], [813, 267, 1], [974, &'
CONTINUE '273, 1], [915, 267, 1], [987, 237, 1], [1029, 267, 1], [1044, 324, &'
CONTINUE '1], [1044, 180, 1], [650, 48, 1], [699, 21, 1], [741, 51, 1], &'
CONTINUE '[627, 123, 1], [699, 93, 1], [699, 165, 1], [92, 231, 1], [21, &'
CONTINUE '195, 1], [108, 180, 1], [195, 165, 1], [51, 267, 1], [123, 237, &'
CONTINUE '1], [324, 387, 1], [339, 411, 1], [381, 411, 1], [468, 396, 1], &'
CONTINUE '[195, 483, 1], [237, 453, 1], [324, 468, 1], [396, 468, 1], [453, &'
CONTINUE '453, 1], [525, 453, 1], [627, 453, 1], [669, 453, 1], [699, 525, &'
CONTINUE '1], [741, 555, 1], [843, 525, 1], [699, 597, 1], [771, 597, 1], &'
CONTINUE '[828, 612, 1], [123, 555, 1], [165, 525, 1], [237, 525, 1], [468, &'
CONTINUE '324, 1], [159, 1073, 1], [51, 1059, 1], [108, 1044, 1], [237, &'
CONTINUE '1059, 1], [169.9674267100977, 1006.9055374592834, 1.0], &'
CONTINUE '[207.4918566775243, 1012.1172638436482, 1.0], [160, 1236, 1], &'
CONTINUE '[123, 1275, 1], [165, 1275, 1], [132, 1410, 1], [51, 1389, 1], &'
CONTINUE '[123, 1419, 1], [195, 1389, 1], [267, 1419, 1], [180, 1476, 1], &'
CONTINUE '[267, 1461, 1], [249.1856677524429, 1365.4723127035832, 1.0], &'
CONTINUE '[123, 1347, 1], [165, 1317, 1], [237, 1317, 1], [237, 1245, 1], &'
CONTINUE '[284.62540716612375, 1284.169381107492, 1.0], [1035.1140065146578, &'
CONTINUE '1055.8957654723126, 1.0], [930.8794788273617, 1076.742671009772, &'
CONTINUE '1.0], [745.342019543974, 1160.1302931596092, 1.0], [813, 1131, 1], &'
CONTINUE '[1044.4951140065145, 1145.5374592833875, 1.0], &'
CONTINUE '[1000.7166123778502, 1087.1661237785015, 1.0], [599, 1266, 1], &'
CONTINUE '[555, 1245, 1], [597, 1275, 1], [627, 1347, 1], [717, 1337, 1], &'
CONTINUE '[699, 1317, 1], [756, 1332, 1], [813, 1317, 1], [699, 1275, 1], &'
CONTINUE '[756.8078175895764, 1235.1791530944627, 1.0], [849.5765472312703, &'
CONTINUE '1245.6026058631924, 1.0], [885, 1275, 1], [764.1042345276874, &'
CONTINUE '1202.8664495114008, 1.0], [813, 1173, 1], [915, 1203, 1], [771, &'
CONTINUE '1389, 1], [915, 1317, 1], [843, 1389, 1], [511, 1504, 1], [411, &'
CONTINUE '1491, 1], [483, 1461, 1], [396, 1404, 1], [468, 1404, 1], [555, &'
CONTINUE '1389, 1], [411, 1347, 1], [453, 1347, 1], [555, 1347, 1], [468, &'
CONTINUE '1260, 1], [453, 1533, 1], [525, 1563, 1], [886.2275304620586, &'
CONTINUE '1024.249004705031, 1.0], [878.3858125226208, 1000.1206418144532, &'
CONTINUE '1.0], [935.6906743877431, 995.2949692363376, 1.0], &'
CONTINUE '[51.98938352032826, 1321.0278682591388, 1.0], [679.3268186753531, &'
CONTINUE '1104.4758113162025, 1.0], [381, 1131, 1], [545.4144046326459, &'
CONTINUE '1167.209554831705, 1.0], [581.6069489685127, 1149.716491736036, &'
CONTINUE '1.0], [627, 1131, 1], [719.2833876221498, 633.7459283387623, 1.0], &'
CONTINUE '[550.4234527687297, 588.9250814332248, 1.0], [574.3973941368079, &'
CONTINUE '659.8045602605863, 1.0], [831.8566775244301, 526.3843648208469, &'
CONTINUE '1.0], [451.4006514657981, 727.557003257329, 1.0], &'
CONTINUE '[762.0195439739414, 500.3257328990228, 1.0], [964.2345276872966, &'
CONTINUE '1001.6938110749186, 1.0], [492.0521172638437, 596.2214983713355, &'
CONTINUE '1.0], [701.5635179153094, 414.85342019543975, 1.0], &'
CONTINUE '[783.9087947882736, 1114.2671009771987, 1.0], [876.6775244299674, &'
CONTINUE '1155.9609120521172, 1.0], [771, 1059, 1], [843, 1059, 1], [843, &'
CONTINUE '957, 1], [714, 1130, 1], [699, 1131, 1], [771, 1101, 1], [411, &'
CONTINUE '1173, 1], [453, 1173, 1], [525, 1203, 1], [627, 1203, 1], [669, &'
CONTINUE '1203, 1], [565, 1493, 1], [627, 1491, 1], [627, 1533, 1], [669, &'
CONTINUE '1563, 1], [612, 1620, 1], [699, 1605, 1], [771, 1605, 1], [612, &'
CONTINUE '1692, 1], [699, 1707, 1], [771, 1707, 1], [627, 1779, 1], [669, &'
CONTINUE '1779, 1], [771, 1749, 1], [483, 1851, 1], [555, 1851, 1], [627, &'
CONTINUE '1821, 1], [669, 1851, 1], [525, 1893, 1], [612, 1908, 1], [699, &'
CONTINUE '1893, 1], [627, 1419, 1], [739, 1496, 1], [684, 1476, 1], [756, &'
CONTINUE '1476, 1], [813, 1491, 1], [771, 1563, 1], [828, 1548, 1], [1027, &'
CONTINUE '1384, 1], [987, 1347, 1], [1029, 1317, 1], [987, 1419, 1], [1059, &'
CONTINUE '1389, 1], [987, 1491, 1], [1029, 1491, 1], [987, 1275, 1], [1059, &'
CONTINUE '1275, 1], [987, 1203, 1], [1029, 1203, 1], [1059, 1101, 1], [912, &'
CONTINUE '1522, 1], [915, 1491, 1], [915, 1533, 1], [947, 1606, 1], [987, &'
CONTINUE '1563, 1], [1059, 1563, 1], [987, 1635, 1], [1044, 1620, 1], [987, &'
CONTINUE '1677, 1], [1042, 1687, 1], [1059, 1677, 1], [987, 1779, 1], [1029, &'
CONTINUE '1749, 1], [20, 1704, 1], [36, 1692, 1], [93, 1729, 1], [51, 1749, &'
CONTINUE '1], [93, 1749, 1], [21, 1821, 1], [108, 1836, 1], [51, 1893, 1], &'
CONTINUE '[93, 1893, 1], [195, 1893, 1], [476, 542, 1], [453, 525, 1], [540, &'
CONTINUE '540, 1], [627, 525, 1], [864, 390, 1], [843, 381, 1], [915, 411, &'
CONTINUE '1], [987, 411, 1], [1044, 396, 1], [843, 453, 1], [915, 453, 1], &'
CONTINUE '[957, 483, 1], [1029, 483, 1], [875, 457, 1], [885, 509, 1], &'
CONTINUE '[1044, 540, 1], [741, 411, 1], [669, 339, 1], [756, 324, 1], [843, &'
CONTINUE '339, 1], [957, 618, 1], [900, 612, 1], [972, 612, 1], [1029, 627, &'
CONTINUE '1], [885, 669, 1], [987, 669, 1], [1029, 699, 1], [987, 525, 1], &'
CONTINUE '[920, 703, 1], [915, 741, 1], [957, 771, 1], [1003, 872, 1], [987, &'
CONTINUE '843, 1], [1059, 813, 1], [1044, 900, 1], [941, 927, 1], [915, 885, &'
CONTINUE '1], [339, 885, 1], [411, 885, 1], [383.64820846905536, &'
CONTINUE '951.6612377850163, 1.0], [456.61237785016283, 1176.8078175895766, &'
CONTINUE '1.0], [339, 957, 1], [411, 957, 1], [235.63517915309444, &'
CONTINUE '918.3061889250814, 1.0], [405.53745928338753, 1078.827361563518, &'
CONTINUE '1.0], [1002.8013029315962, 1015.2442996742672, 1.0], [411, 1029, &'
CONTINUE '1], [468, 1044, 1], [593.159609120521, 1151.7915309446255, 1.0], &'
CONTINUE '[628.5993485342019, 1188.273615635179, 1.0], [555, 1101, 1], [267, &'
CONTINUE '813, 1], [339, 813, 1], [307.5570032573289, 898.501628664495, &'
CONTINUE '1.0], [21, 741, 1], [123, 741, 1], [248, 1539, 1], [21, 1533, 1], &'
CONTINUE '[93, 1533, 1], [165, 1533, 1], [237, 1533, 1], [309, 1533, 1], &'
CONTINUE '[381, 1533, 1], [309, 1461, 1], [525, 1461, 1], [828, 1620, 1], &'
CONTINUE '[915, 1635, 1], [843, 1707, 1], [915, 1707, 1], [843, 1779, 1], &'
CONTINUE '[915, 1749, 1], [771, 1851, 1], [843, 1851, 1], [915, 1851, 1], &'
CONTINUE '[987, 1851, 1], [771, 1893, 1], [843, 1893, 1], [915, 1893, 1], &'
CONTINUE '[987, 1893, 1], [699, 1389, 1], [915, 1389, 1], [51, 1605, 1], &'
CONTINUE '[93, 1605, 1], [306, 1653, 1], [165, 1605, 1], [237, 1605, 1], &'
CONTINUE '[309, 1605, 1], [411, 1605, 1], [453, 1605, 1], [525, 1605, 1], &'
CONTINUE '[93, 1677, 1], [165, 1677, 1], [267, 1677, 1], [339, 1677, 1], &'
CONTINUE '[381, 1677, 1], [453, 1677, 1], [540, 1692, 1], [411, 1749, 1], &'
CONTINUE '[468, 1764, 1], [555, 1779, 1], [381, 1851, 1], [396, 1908, 1], &'
CONTINUE '[483, 1893, 1], [255, 1752, 1], [195, 1749, 1], [237, 1749, 1], &'
CONTINUE '[339, 1749, 1], [180, 1836, 1], [267, 1821, 1], [309, 1821, 1], &'
CONTINUE '[267, 1893, 1], [324, 1908, 1], [63, 915, 1], [51, 915, 1], [123, &'
CONTINUE '885, 1], [195, 885, 1], [21, 987, 1], [123, 987, 1], [195, 957, &'
CONTINUE '1], [267, 987, 1], [51, 813, 1], [123, 813, 1], [37, 1149, 1], &'
CONTINUE '[21, 1131, 1], [123, 1131, 1], [165, 1131, 1], [237, 1131, 1], &'
CONTINUE '[309, 1131, 1], [483, 1101, 1], [339, 1029, 1], [267, 885, 1], &'
CONTINUE '[195, 813, 1], [21, 1203, 1], [93, 1203, 1], [165, 1173, 1], [237, &'
CONTINUE '1173, 1], [309, 1173, 1], [21, 1275, 1], [309, 1245, 1], [21, &'
CONTINUE '1317, 1], [387, 683, 1], [339, 699, 1], [381, 669, 1], [165, 597, &'
CONTINUE '1], [381, 597, 1], [453, 627, 1], [627, 597, 1], [540, 396, 1], &'
CONTINUE '[597, 381, 1], [339, 771, 1]]'
END
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 9173 / length of data axis 1
NAXIS2 = 5706 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0. / Offset data range to that of unsigned short
BSCALE = 1. / Default scaling factor
MIPS-HI = 65535 / Lower visualization cutoff
MIPS-LO = 18131 / Upper visualization cutoff
PROGRAM = 'Siril 1.4.0-beta2' / Software that created this HDU
FILENAME= '7R402918.ARW'
DATE = '2025-06-25T12:19:15' / UTC date that FITS file was created
DATE-OBS= '2025-06-24T23:41:03' / YYYY-MM-DDThh🇲🇲ss observation start, UT
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
EXPTIME = 121. / [s] Exposure time duration
FILTER = 'mixed ' / Active filter name
APERTURE= 10. / Aperture of the instrument
ISOSPEED= 800. / ISO camera setting
FOCALLEN= 374.644 / [mm] Focal length
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 3.72 / [um] Pixel X axis size
YPIXSZ = 3.72 / [um] Pixel Y axis size
INSTRUME= 'Sony ILCE-7RM4' / Instrument name
STACKCNT= 89 / Stack frames
LIVETIME= 10709. / [s] Exposure time after deadtime correction
EXPSTART= 2460851.38269676 / [JD] Exposure start time (standard Julian date)
EXPEND = 2460851.51983796 / [JD] Exposure end time (standard Julian date)
OBJCTRA = '20 59 29.513' / [H M S] Image center Right Ascension
OBJCTDEC= '+44 15 39.217' / [D M S] Image center Declination
RA = 314.872971554207 / [deg] Image center Right Ascension
DEC = 44.2608936593353 / [deg] Image center Declination
CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions
CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000. / Equatorial equinox
CRPIX1 = 4587. / Axis1 reference pixel
CRPIX2 = 2853.5 / Axis2 reference pixel
CRVAL1 = 314.872971554207 / [deg] Axis1 reference value
CRVAL2 = 44.2608936593353 / [deg] Axis2 reference value
LONPOLE = 180. / Native longitude of celestial pole
CDELT1 = -0.000568935206752236 / [deg] X pixel size
CDELT2 = 0.000568893105680096 / [deg] Y pixel size
PC1_1 = 0.0399523834304347 / Linear transformation matrix (1, 1)
PC1_2 = 0.999201584795695 / Linear transformation matrix (1, 2)
PC2_1 = -0.999198958552292 / Linear transformation matrix (2, 1)
PC2_2 = 0.0400180112951004 / Linear transformation matrix (2, 2)
A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky
A_0_0 = 0.
A_1_0 = 0.
A_0_1 = 0.
A_2_0 = 1.63641141646116E-07
A_1_1 = 1.58324151913713E-07
A_0_2 = 6.5572166766859E-08
A_3_0 = -9.99834599309478E-10
A_2_1 = -1.26705687186396E-12
A_1_2 = -1.00525313999795E-09
A_0_3 = 7.43080307991159E-13
B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky
B_0_0 = 0.
B_1_0 = 0.
B_0_1 = 0.
B_2_0 = 2.21662678265635E-07
B_1_1 = 9.07528956152878E-08
B_0_2 = 3.63763082255406E-07
B_3_0 = -3.94685314044943E-14
B_2_1 = -9.97207732589285E-10
B_1_2 = -3.2675635328097E-12
B_0_3 = -9.90211574687439E-10
AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel
AP_0_0 = 0.0706754647907431
AP_1_0 = -0.000745108745118239
AP_0_1 = 1.22249187532032E-05
AP_2_0 = -1.85941461182703E-07
AP_1_1 = -1.7275498052576E-07
AP_0_2 = -7.45019131618119E-08
AP_3_0 = 1.10555441804818E-09
AP_2_1 = 5.98564571795473E-13
AP_1_2 = 1.12940755341302E-09
AP_0_3 = -2.07207915911254E-12
BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel
BP_0_0 = -0.00181538383710884
BP_1_0 = 4.78936625427072E-06
BP_0_1 = -0.000482250677457552
BP_2_0 = -2.34911249755266E-07
BP_1_1 = -1.03157613029576E-07
BP_0_2 = -3.79157275678788E-07
BP_3_0 = -6.64500830562816E-14
BP_2_1 = 1.09900611326693E-09
BP_1_2 = 2.65384433475305E-12
BP_0_3 = 1.06843459840639E-09
BG-EXTR = 'GraXpert'
CBG-1 = 0.3002749
CBG-2 = 0.3002749
CBG-3 = 0.3002749
INTP-OPT= 'AI '
HIERARCH SMOOTHING = 0.0
HIERARCH CORR-TYPE = 'Subtraction'
HIERARCH BGE-AI-VER = '1.0.1 '
END
SIMPLE = T / file does conform to FITS standard
BITPIX = 20 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 4144 / length of data axis 1
NAXIS2 = 2822 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-08-01T12:24:29' / UTC date that FITS file was created
DATE-OBS= '2024-08-01T01:19:08.860842' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI294MC Pro' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= 'ZWO AM5 ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 4.63 / X pixel size microns
YPIXSZ = 4.63 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 449 / Camera focal length
CCD-TEMP= -10 / CCD temp in C
SET-TEMP= -10 / Temperature setting in C
EXPTIME = 20 / Exposure time [s]
STACKCNT= 68 / Stack frames
LIVETIME= 1360 / Exposure time after deadtime correction
EXPSTART= 2.46052e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46052e+006 / Exposure end time (standard Julian date)
IMAGETYP= 'Light ' / Type of image
CVF = 1.00224 / Conversion factor (e-/adu)
GAIN = 120 / Camera gain
OFFSET = 30 / Camera offset
RA =
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 5472 / length of data axis 1
NAXIS2 = 3656 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
MIPS-FHI= 1 / Upper visualization cutoff
MIPS-FLO= 0 / Lower visualization cutoff
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-08-11T13:11:17' / UTC date that FITS file was created
DATE-OBS= '2024-08-10T22:08:29' / YYYY-MM-DDThh🇲🇲ss observation start, UT
INSTRUME= 'Sony ILCE-5000' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 4.31 / X pixel size microns
YPIXSZ = 4.31 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 1004.11 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
SET-TEMP= 0 / Temperature setting in C
EXPTIME = 30 / Exposure time [s]
STACKCNT= 24 / Stack frames
LIVETIME= 720 / Exposure time after deadtime correction
EXPSTART= 2.46053e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46053e+006 / Exposure end time (standard Julian date)
ISOSPEED= 800 / ISO camera setting
HISTORY mean stacking with winsorized sigma cl
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 3318 / length of data axis 1
NAXIS2 = 2388 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2024-03-16T22:47:40' / UTC date that FITS file was created
DATE-OBS= '2023-02-13T01:34:14' / YYYY-MM-DDThh🇲🇲ss observation start, UT
INSTRUME= 'Nikon Z 6' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 5.92 / X pixel size microns
YPIXSZ = 5.92 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 108.103 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
SET-TEMP= 0 / Temperature setting in C
EXPTIME = 117.3 / Exposure time [s]
STACKCNT= 40 / Stack frames
LIVETIME= 4692 / Exposure time after deadtime correction
EXPSTART= 2.45999e+006 / Exposure start time (standard Julian date)
EXPEND = 2.45999e+006 / Exposure end time (standard Julian date)
FILTER = 'mixed ' / Active filter name
APERTURE= 6.3 / Aperture of the instrument
ISOSPEED= 2500 / ISO camera setting
CTYPE1 = 'RA---TAN' / Coordinate type for t
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 6064 / length of data axis 1
NAXIS2 = 4040 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2025-06-24T06:52:11' / UTC date that FITS file was created
DATE-OBS= '2025-06-23T17:23:35' / YYYY-MM-DDThh🇲🇲ss observation start, UT
INSTRUME= 'Nikon Z 6' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
XPIXSZ = 5.94 / X pixel size microns
YPIXSZ = 5.94 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 195.983 / Camera focal length
CCD-TEMP= 0 / CCD temp in C
SET-TEMP= 0 / Temperature setting in C
EXPTIME = 2 / Exposure time [s]
STACKCNT= 50 / Stack frames
LIVETIME= 100 / Exposure time after deadtime correction
EXPSTART= 2.46085e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46085e+006 / Exposure end time (standard Julian date)
APERTURE= 2.8 / Aperture of the instrument
ISOSPEED= 3200 / ISO camera setting
CTYPE1 = 'RA---TAN' / Coordinate type for the first axis
CTYPE2 = 'DEC--TAN' / Coordinate type for the second axis
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000 / Equatorial equinox
OBJCTRA = '13 27 51.026' / Image center Right Ascension (hms)
OBJCTDEC= '+47 57 40.733' / Image center Declination (dms)
RA = 201.963 / Image center Right Ascension (deg)
DEC = 47.9613 / Image center Declination (deg)
CRPIX1 = 3032 / Axis1 reference pixel
CRPIX2 = 2020 / Axis2 reference pixel
CRVAL1 = 201.963 / Axis1 reference value (deg)
CRVAL2 = 47.9613 / Axis2 reference value (deg)
CDELT1 = -0.00173658 / X pixel size (deg)
CDELT2 = 0.00173655 / Y pixel size (deg)
PC1_1 = -0.980974 / Linear transformation matrix (1, 1)
PC1_2 = -0.194138 / Linear transformation matrix (1, 2)
PC2_1 = 0.194109 / Linear transformation matrix (2, 1)
PC2_2 = -0.98098 / Linear transformation matrix (2, 2)
PLTSOLVD= T / Siril internal solve
HISTORY mean stacking with winsorized sigma clipping rejection (low=3.000 high=3
HISTORY .000), additive+scaling normalized input, normalized output, no image we
HISTORY ighting, equalized RGB
HISTORY Background extraction (Correction: Subtraction)
HISTORY Background extraction (Correction: Subtraction)
HISTORY Plate Solve
HISTORY Plate Solve
HISTORY Photometric CC
HISTORY Asinh Transformation: (stretch= 185.3, bp=0.00000)
HISTORY Histogram Transf. (mid=0.028, lo=0.215, hi=1.000)
END
SIMPLE = T / file does conform to FITS standard
BITPIX = 20 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 3840 / length of data axis 1
NAXIS2 = 2160 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0 / offset data range to that of unsigned short
BSCALE = 1 / default scaling factor
DATE = '2025-03-12T14:31:19' / UTC date that FITS file was created
DATE-OBS= '2025-03-04T17:52:49.355021' / YYYY-MM-DDThh🇲🇲ss observation start,
INSTRUME= 'ZWO ASI585MC' / instrument name
OBSERVER= ' ' / observer name
TELESCOP= ' ' / telescope used to acquire this image
ROWORDER= 'TOP-DOWN' / Order of the rows in image array
XPIXSZ = 2.9 / X pixel size microns
YPIXSZ = 2.9 / Y pixel size microns
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
FOCALLEN= 1000.99 / Camera focal length
CCD-TEMP= 11.5 / CCD temp in C
EXPTIME = 12.24 / Exposure time [s]
STACKCNT= 497 / Stack frames
LIVETIME= 6008.12 / Exposure time after deadtime correction
EXPSTART= 2.46074e+006 / Exposure start time (standard Julian date)
EXPEND = 2.46074e+006 / Exposure end time (standard Julian date)
IMAGETYP= 'Light ' / Type of image
CVF = 0.3087 / Conversion factor (e-/adu)
GAIN = 301 / Camera gain
OFFSET = 50 / Camera offset
HISTORY TOP-DOWN mirror
HISTORY Asinh Transformation: (stretch= 0.0, b
The Lagoon Nebula M8, Trifid nebula M20 and Chinese Dragon Nebula NGC6599
Location – Gansvlei, FS
Date 27 and 28 June 2025
Telescope: William Optics GT71 with Flat GT flattener
Camera ZWO ASI2600MC Pro
No filters
300s exposures at 100 Gain, total integration time 520 minutes
Processed using Siril and Photoshop
Submitted by John Lindsay-Smith
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 6152 / length of data axis 1
NAXIS2 = 4086 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0. / Offset data range to that of unsigned short
BSCALE = 1. / Default scaling factor
MIPS-HI = 65535 / Lower visualization cutoff
PROGRAM = 'Siril 1.4.0-beta2' / Software that created this HDU
DATE = '2025-07-01T14:48:20' / UTC date that FITS file was created
DATE-OBS= '2025-06-27T21:16:30.654921' / YYYY-MM-DDThh🇲🇲ss observation start,
IMAGETYP= 'Light ' / Type of image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
EXPTIME = 300. / [s] Exposure time duration
FILTER = 'mixed ' / Active filter name
FOCALLEN= 418.481 / [mm] Focal length
CENTALT = 81.2154377060761 / [deg] Altitude of telescope
CENTAZ = 53.1546946906005 / [deg] Azimuth of telescope
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 3.75999999046326 / [um] Pixel X axis size
YPIXSZ = 3.75999999046326 / [um] Pixel Y axis size
INSTRUME= 'ZWO ASI2600MC Pro' / Instrument name
CCD-TEMP= -9.8 / [degC] CCD temperature
SET-TEMP= -10. / [degC] CCD temperature setpoint
GAIN = 100 / Sensor gain
OFFSET = 1 / Sensor gain offset
CVF = 0.2635 / [e-/ADU] Electrons per A/D unit
STACKCNT= 30 / Stack frames
LIVETIME=
SIMPLE = T / file does conform to FITS standard
BITPIX = -32 / number of bits per data pixel
NAXIS = 3 / number of data axes
NAXIS1 = 3008 / length of data axis 1
NAXIS2 = 3008 / length of data axis 2
NAXIS3 = 3 / length of data axis 3
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
BZERO = 0. / Offset data range to that of unsigned short
BSCALE = 1. / Default scaling factor
PROGRAM = 'Siril 1.4.0-rc2' / Software that created this HDU
FILENAME= 'NGC6946_FireworksGalaxy_ (2).fits'
DATE = '2025-11-26T15:28:49' / UTC date that FITS file was created
DATE-OBS= '2025-11-21T18:56:50.121000' / YYYY-MM-DDThh🇲🇲ss observation start,
IMAGETYP= 'Light Frame' / Type of image
ROWORDER= 'BOTTOM-UP' / Order of the rows in image array
EXPTIME = 120. / [s] Exposure time duration
TELESCOP= 'TS 90 APO 482@F\5.4' / Telescope used to acquire this image
FOCALLEN= 480.995 / [mm] Focal length
CENTALT = 65.34212 / [deg] Altitude of telescope
CENTAZ = 307.8858 / [deg] Azimuth of telescope
XBINNING= 1 / Camera binning mode
YBINNING= 1 / Camera binning mode
XPIXSZ = 3.76 / [um] Pixel X axis size
YPIXSZ = 3.76 / [um] Pixel Y axis size
INSTRUME= 'QHY CCD QHY533C-39d9544' / Instrument name
CCD-TEMP= -6.9 / [degC] CCD temperature
GAIN = 68 / Sensor gain
OFFSET = 10 / Sensor gain offset
FOCPOS = 2243 / [step] Focuser position
FOCTEMP = 20. / [degC] Focuser temperature
STACKCNT= 64 / Stack frames
LIVETIME= 7680. / [s] Exposure time after deadtime correction
EXPSTART= 2461001.28946899 / [JD] Exposure start time (standard Julian date)
EXPEND = 2461001.39005042 / [JD] Exposure end time (standard Julian date)
AIRMASS = 1.100179 / Airmass at frame center (Gueymard 1993)
SITELAT = 51. / [deg] Observation site latitude
SITELONG= 4.55 / [deg] Observation site longitude
OBJCTRA = '20 34 54.961' / [H M S] Image center Right Ascension
OBJCTDEC= '+60 12 8.407' / [D M S] Image center Declination
RA = 308.729004894915 / [deg] Image center Right Ascension
DEC = 60.202335199473 / [deg] Image center Declination
CTYPE1 = 'RA---TAN-SIP' / TAN (gnomic) projection + SIP distortions
CTYPE2 = 'DEC--TAN-SIP' / TAN (gnomic) projection + SIP distortions
CUNIT1 = 'deg ' / Unit of coordinates
CUNIT2 = 'deg ' / Unit of coordinates
EQUINOX = 2000. / Equatorial equinox
CRPIX1 = 1504.5 / Axis1 reference pixel
CRPIX2 = 1504.5 / Axis2 reference pixel
CRVAL1 = 308.729004894915 / [deg] Axis1 reference value
CRVAL2 = 60.202335199473 / [deg] Axis2 reference value
LONPOLE = 180. / Native longitude of celestial pole
CDELT1 = -0.000447900388945942 / [deg] X pixel size
CDELT2 = 0.000447876878945316 / [deg] Y pixel size
PC1_1 = -0.00222420508691676 / Linear transformation matrix (1, 1)
PC1_2 = -0.999997526452806 / Linear transformation matrix (1, 2)
PC2_1 = 0.999997635376645 / Linear transformation matrix (2, 1)
PC2_2 = -0.00217468184315464 / Linear transformation matrix (2, 2)
A_ORDER = 3 / SIP polynomial degree, axis 1, pixel-to-sky
A_0_0 = 0.
A_1_0 = 0.
A_0_1 = 0.
A_2_0 = -3.48432885735628E-08
A_1_1 = 1.20251265677528E-08
A_0_2 = -3.85904831400385E-08
A_3_0 = -2.16274421778472E-10
A_2_1 = -1.38549155615681E-11
A_1_2 = -2.15368540876433E-10
A_0_3 = -5.95869533321537E-12
B_ORDER = 3 / SIP polynomial degree, axis 2, pixel-to-sky
B_0_0 = 0.
B_1_0 = 0.
B_0_1 = 0.
B_2_0 = -4.50936247140376E-08
B_1_1 = -1.01984783209213E-08
B_0_2 = -1.49681536945768E-08
B_3_0 = -1.06174599010656E-11
B_2_1 = -2.22210563538722E-10
B_1_2 = -8.62745042732655E-12
B_0_3 = -2.19390734565223E-10
AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel
AP_0_0 = -5.72429225513815E-05
AP_1_0 = -7.27781584553E-07
AP_0_1 = 2.20847370442971E-08
AP_2_0 = 3.49665733940728E-08
AP_1_1 = -1.20594051983892E-08
AP_0_2 = 3.86830389552994E-08
AP_3_0 = 2.16937659296617E-10
AP_2_1 = 1.38951114580811E-11
AP_1_2 = 2.16152898372032E-10
AP_0_3 = 5.96230885589836E-12
BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel
BP_0_0 = -2.93759688029619E-05
BP_1_0 = 1.9528429831639E-08
BP_0_1 = -7.46832331977032E-07
BP_2_0 = 4.51825830987467E-08
BP_1_1 = 1.02371363903877E-08
BP_0_2 = 1.50235852078857E-08
BP_3_0 = 1.06377277430278E-11
BP_2_1 = 2.2301532583413E-10
BP_1_2 = 8.65204916448989E-12
BP_0_3 = 2.20070885963143E-10
PLTSOLVD= T / Siril internal solver
HISTORY Plate Solve
HISTORY Saturation enhancement (amount=0.34)
HISTORY Cosmetic Correction
HISTORY GraXpert AI BGE: subtraction
HISTORY GHS pivot: 0.000, amount: 3.22, local: 0.00 [0.00 1.00]
HISTORY GHS pivot: 0.000, amount: 4.80, local: 0.00 [0.00 1.00]
HISTORY GHS pivot: 0.041, amount: 7.50, local: 0.00 [0.00 1.00]
HISTORY GHS LINEAR BP: 0.18
HISTORY GHS pivot: 0.041, amount: 5.59, local: 0.00 [0.00 1.00]
HISTORY GHS LINEAR BP: 0.18
HISTORY GHS pivot: 0.000, amount: 0.73, local: 3.22 [0.00 1.00]
HISTORY GHS pivot: 0.000, amount: 0.37, local: 0.00 [0.00 1.00]
HISTORY Deconvolution
HISTORY SCNR (type=maximum neutral, amount=1.00, preserve=true)
FRAME = 'Light ' / Frame Type
APTDIA = 9.000E+01 / Telescope diameter (mm)
SCALE = 1.609311E+00 / arcsecs per pixel
RADECSYS= 'FK5 ' / RADECSYS
SECPIX1 = 1.6093111992E+00 / SECPIX1
SECPIX2 = 1.6093111992E+00 / SECPIX2
COMMENT Generated by INDI
COMMENT Object
END