Horsehead Nebula

SIMPLE = T / file does conform to FITS standard

BITPIX = -32 / number of bits per data pixel

NAXIS = 3 / number of data axes

NAXIS1 = 3723 / length of data axis 1

NAXIS2 = 2044 / 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 = '2025-01-10T03:43:55' / UTC date that FITS file was created

DATE-OBS= '2025-01-09T03:10:54.393886' / YYYY-MM-DDThh🇲🇲ss observation start,

INSTRUME= 'ZWO ASI585MC Pro' / instrument name

OBSERVER= ' ' / observer name

TELESCOP= 'EQMod Mount' / 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= 369.017 / Camera focal length

CCD-TEMP= -15.6 / CCD temp in C

SET-TEMP= -10 / Temperature setting in C

EXPTIME = 180 / Exposure time [s]

STACKCNT= 30 / Stack frames

LIVETIME= 5400 / Exposure time after deadtime correction

EXPSTART= 2.46068e+06 / Exposure start time (standard Julian date)

EXPEND = 2.46068e+06 / Exposure end time (standard Julian date)

FILTER = 'mixed ' / Active filter name

IMAGETYP= 'Light ' / Type of image

OBJECT = 'IC434 ' / Name of the object of interest

CVF = 0.620981 / Conversion factor (e-/adu)

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 = '05 40 33.260' / Image center Right Ascension (hms)

OBJCTDEC= '-02 12 1.494' / Image center Declination (dms)

RA = 85.1386 / Image center Right Ascension (deg)

DEC = -2.20042 / Image center Declination (deg)

CRPIX1 = 1861.5 / Axis1 reference pixel

CRPIX2 = 1022 / Axis2 reference pixel

CRVAL1 = 85.1386 / Axis1 reference value (deg)

CRVAL2 = -2.20042 / Axis2 reference value (deg)

CDELT1 = -0.000450463 / X pixel size (deg)

CDELT2 = 0.00045008 / Y pixel size (deg)

PC1_1 = 0.036211 / Linear transformation matrix (1, 1)

PC1_2 = 0.999344 / Linear transformation matrix (1, 2)

PC2_1 = -0.999352 / Linear transformation matrix (2, 1)

PC2_2 = 0.0360035 / Linear transformation matrix (2, 2)

PLTSOLVD= T / Siril internal solve

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

END

Done