SH2-275 Heart Nebula

SIMPLE = T / file does conform to FITS standard

BITPIX = 20 / 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

MIPS-HI = 65535 / Upper visualization cutoff

MIPS-LO = 0 / Lower visualization cutoff

BZERO = 0 / offset data range to that of unsigned short

BSCALE = 1 / default scaling factor

DATE = '2023-03-19T06:09:17' / UTC date that FITS file was created

DATE-OBS= '2023-03-19T04:08:19.343173' / YYYY-MM-DDThh🇲🇲ss observation start,

INSTRUME= 'ZWO ASI533MC Pro' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= 'ZWO AM5 ' / telescope used to acquire this image

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= 401.943 / Camera focal length

CCD-TEMP= -1.5 / CCD temp in C

EXPTIME = 300 / Exposure time [s]

STACKCNT= 6 / Stack frames

LIVETIME= 1800 / Exposure time after deadtime correction

IMAGETYP= 'Light ' / Type of image

CVF = 0.994093 / Conversion factor (e-/adu)

GAIN = 101 / Camera gain

OFFSET = 70 / Camera offset

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 = '06 31 46.069' / Image center Right Ascension (hms)

OBJCTDEC= '+04 55 57.181' / Image center Declination (dms)

RA = 97.942 / Image center Right Ascension (deg)

DEC = 4.93255 / Image center Declination (deg)

CRPIX1 = 1504 / Axis1 reference pixel

CRPIX2 = 1504 / Axis2 reference pixel

CRVAL1 = 97.942 / Axis1 reference value (deg)

CRVAL2 = 4.93255 / Axis2 reference value (deg)

CDELT1 = -0.000535925 / X pixel size (deg)

CDELT2 = 0.000536018 / Y pixel size (deg)

PC1_1 = -0.999809 / Linear transformation matrix (1, 1)

PC1_2 = -0.0194244 / Linear transformation matrix (1, 2)

PC2_1 = 0.0195564 / Linear transformation matrix (2, 1)

PC2_2 = -0.999811 / 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, unequalized RGB

HISTORY Photometric CC

HISTORY SCNR (type=average neutral, amount=1.00, preserve=true)

HISTORY Histogram Transf. (mid=0.002, lo=0.003, hi=1.000)

HISTORY Photometric CC

HISTORY SCNR (type=average neutral, amount=1.00, preserve=true)

HISTORY Asinh Transformation: (stretch= 1.0, bp=0.12726)

END

 

Done