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NGC 7023 star recomposition result-3

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 960 / length of data axis 1

NAXIS2 = 1733 / 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 = 4392 / Upper visualization cutoff

PROGRAM = 'Siril 1.4.0-beta2' / Software that created this HDU

FILENAME= 'Light_NGC 7023_20.0s_IRCUT_20250625-222221.fit'

DATE = '2025-06-26T16:14:03' / UTC date that FITS file was created

DATE-OBS= '2025-06-26T03:21:58.490870' / 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 = 'mixed ' / Active filter name

APERTURE= 5. / Aperture of the instrument

FOCALLEN= 252.053 / [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= 33.5 / [degC] CCD temperature

GAIN = 80 / Sensor gain

FOCPOS = 1629 / [step] Focuser position

STACKCNT= 44 / Stack frames

LIVETIME= 880. / [s] Exposure time after deadtime correction

EXPSTART= 2460821.6426436 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460852.65457944 / [JD] Exposure end time (standard Julian date)

OBJECT = 'NGC 7023' / Name of the object of interest

SITELAT = 41.9317 / [deg] Observation site latitude

SITELONG= -88.6869 / [deg] Observation site longitude

OBJCTRA = '21 01 58.348' / [H M S] Image center Right Ascension

OBJCTDEC= '+68 07 52.059' / [D M S] Image center Declination

RA = 315.493118321513 / [deg] Image center Right Ascension

DEC = 68.131127500467 / [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 = 496.5 / Axis1 reference pixel

CRPIX2 = 819.5 / Axis2 reference pixel

CRVAL1 = 315.471044186353 / [deg] Axis1 reference value

CRVAL2 = 68.0991332832782 / [deg] Axis2 reference value

LONPOLE = 180. / Native longitude of celestial pole

CDELT1 = -0.000659353932434851 / [deg] X pixel size

CDELT2 = 0.000659080328939971 / [deg] Y pixel size

PC1_1 = 0.997302171168034 / Linear transformation matrix (1, 1)

PC1_2 = 0.0734055814194399 / Linear transformation matrix (1, 2)

PC2_1 = -0.0733545771633578 / Linear transformation matrix (2, 1)

PC2_2 = 0.997305923981797 / 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 = -3.20097849458524E-07

A_1_1 = 3.2881667772758E-08

A_0_2 = -1.10989697832774E-08

A_3_0 = -4.46796246892606E-10

A_2_1 = -1.56520840684043E-11

A_1_2 = -1.11723318665913E-10

A_0_3 = 6.50821408756037E-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 = 1.29225403647357E-07

B_1_1 = -2.01687980694376E-07

B_0_2 = 3.25348431191491E-08

B_3_0 = 3.42075770198142E-10

B_2_1 = 1.65098920253431E-10

B_1_2 = 1.71157843224335E-12

B_0_3 = -7.71159261840328E-11

AP_ORDER= 3 / SIP polynomial degree, axis 1, sky-to-pixel

AP_0_0 = -1.379153707401E-05

AP_1_0 = -2.44285431882929E-08

AP_0_1 = 2.81940860006873E-09

AP_2_0 = 3.20370675703584E-07

AP_1_1 = -3.29435425568357E-08

AP_0_2 = 1.11275283438192E-08

AP_3_0 = 4.47266442917117E-10

AP_2_1 = 1.55876136288333E-11

AP_1_2 = 1.11808336760055E-10

AP_0_3 = -6.51059584939392E-11

BP_ORDER= 3 / SIP polynomial degree, axis 2, sky-to-pixel

BP_0_0 = 7.73895816842519E-06

BP_1_0 = 1.84455965627406E-08

BP_0_1 = 2.68261035607509E-09

BP_2_0 = -1.29380463883567E-07

BP_1_1 = 2.01738193180362E-07

BP_0_2 = -3.25630941158686E-08

BP_3_0 = -3.42382944687177E-10

BP_2_1 = -1.65040121775154E-10

BP_1_2 = -1.76837979602864E-12

BP_0_3 = 7.71327348315469E-11

HISTORY Crop (x=44, y=46, w=960, h=1733)

HISTORY Saturation enhancement (amount=0.20)

HISTORY Saturation enhancement (amount=0.13)

HISTORY Saturation enhancement (amount=0.12)

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

END

 

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Uploaded on October 4, 2025