Orion Nebula VeraLux 8-12-25

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' / Software that created this HDU

DATE = '2025-12-08T06:53:04' / UTC date that FITS file was created

DATE-OBS= '2024-03-05T01:02:37.344461' / YYYY-MM-DDThh🇲🇲ss observation start,

IMAGETYP= 'Light ' / Type of image

ROWORDER= 'BOTTOM-UP' / Order of the rows in image array

EXPTIME = 10. / [s] Exposure time duration

TELESCOP= 'Seestar S50' / Telescope used to acquire this image

FILTER = 'IRCUT ' / Active filter name

FOCALLEN= 251.823 / [mm] Focal length

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= 'Seestar S50' / Instrument name

CCD-TEMP= 24.625 / [degC] CCD temperature

GAIN = 80 / Sensor gain

STACKCNT= 219 / Stack frames

LIVETIME= 2190. / [s] Exposure time after deadtime correction

EXPSTART= 2460374.54348778 / [JD] Exposure start time (standard Julian date)

EXPEND = 2460400.52735625 / [JD] Exposure end time (standard Julian date)

OBJECT = 'M 42 ' / Name of the object of interest

SITELAT = 37.0983 / [deg] Observation site latitude

SITELONG= -84.0739 / [deg] Observation site longitude

OBJCTRA = '05 35 28.460' / [H M S] Image center Right Ascension

OBJCTDEC= '-05 20 48.555' / [D M S] Image center Declination

RA = 83.8685845711991 / [deg] Image center Right Ascension

DEC = -5.34682079509241 / [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 = 83.8685845711991 / [deg] Axis1 reference value

CRVAL2 = -5.34682079509241 / [deg] Axis2 reference value

LONPOLE = 180. / Native longitude of celestial pole

CDELT1 = -0.000659795468289273 / [deg] X pixel size

CDELT2 = 0.000659842694343574 / [deg] Y pixel size

PC1_1 = 0.970683820659427 / Linear transformation matrix (1, 1)

PC1_2 = -0.240359980674858 / Linear transformation matrix (1, 2)

PC2_1 = 0.240284056104377 / Linear transformation matrix (2, 1)

PC2_2 = 0.970702617891818 / 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 = 2.41360979435803E-07

A_1_1 = 4.08496635618476E-08

A_0_2 = 2.60730776347693E-08

A_3_0 = -3.27452038913332E-10

A_2_1 = -5.68925830213608E-11

A_1_2 = -7.81624078128392E-11

A_0_3 = 2.37468394366369E-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 = -3.377602471354E-08

B_1_1 = 4.5543013508965E-08

B_0_2 = 1.3107812245441E-07

B_3_0 = 1.8830387772387E-11

B_2_1 = -8.73469106756148E-11

B_1_2 = 7.81994320280933E-11

B_0_3 = -6.08332566449604E-11

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

AP_0_0 = 7.5030524773941E-06

AP_1_0 = -1.30798615272099E-08

AP_0_1 = 7.6401213262146E-09

AP_2_0 = -2.41516360187877E-07

AP_1_1 = -4.08760184692842E-08

AP_0_2 = -2.60787139749188E-08

AP_3_0 = 3.27710266952845E-10

AP_2_1 = 5.6909379064387E-11

AP_1_2 = 7.82158371035108E-11

AP_0_3 = -2.37543932523922E-11

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

BP_0_0 = 3.4696281924577E-06

BP_1_0 = 8.96833545929055E-09

BP_0_1 = -7.79815445550724E-09

BP_2_0 = 3.37884919951186E-08

BP_1_1 = -4.55390402203293E-08

BP_0_2 = -1.31114099650504E-07

BP_3_0 = -1.88760775772689E-11

BP_2_1 = 8.73979889718199E-11

BP_1_2 = -7.82259005393406E-11

BP_0_3 = 6.08896212618888E-11

PLTSOLVD= T / Siril internal solver

HISTORY Plate Solve

HISTORY GraXpert AI BGE: subtraction

HISTORY GraXpert AI denoise: strength 0.50

HISTORY Photometric CC (algorithm: SPCC)

HISTORY VeraLux v6.0 Stretch

END

Done