SIMPLE  = T                                     / file conforms to FITS standard
BITPIX  = -32                                    / number of bits per data pixel
NAXIS   = 2                                                / number of data axes
NAXIS1  = 3124                                  / length of data axis 1 [pixels]
NAXIS2  = 2088                                  / length of data axis 2 [pixels]
EXTEND  = T                                / FITS dataset may contain extensions
BZERO   = 0                        / offset data range to that of unsigned short
BSCALE  = 1                                             / default scaling factor
XBINNING= 2                                        / horizontal binning [pixels]
YBINNING= 2                                          / vertical binning [pixels]
XPIXSZ  = 7.52                                           / pixel width [microns]
YPIXSZ  = 7.52                                          / pixel height [microns]
IMAGETYP= 'Light   '                                                / frame type
GAIN    = 100.00                                                          / Gain
OFFSET  = 10.00                                                         / Offset
DATE-OBS= '2022-08-31T03:57:34'                                                 
INSTRUME= 'ZWO ASI2600MM Pro #0'                               / instrument name
ROWORDER= 'TOP-DOWN'                                           / Image row order
SITELAT = '40 08 25'                                                            
SITELONG= '-105 09 29'                                                          
OBJCTRA = '0 23 10 '                                                            
OBJCTDEC= '55 47 27'                                                            
FILTER  = 'V       '                                                            
COMMENT 1   Written by ASTAP. www.hnsky.org                                   
CALSTAT = 'DFBS    '                                                            
JD-AVG  = 2.459822664406E+006         / Julian Day of the observation mid-point.
DATE-AVG= '2022-08-31T03:56:45'                                                 
COMMENT D=master_dark_15x10s_at_-10C_2022-07-27.fit                           
COMMENT F=master_flat_corrected_with_flat_darks_V_20xF_20xFD_2022-08-18.fit   
HISTORY 1   Stacking method AVERAGE                                           
HISTORY 2   Processed as gray scale images.                                   
EXPTIME = 90                         / Total luminance exposure time in seconds.
SET-TEMP= -10                              / Set temperature used for luminance.
LUM_EXP = 10                                  / Average luminance exposure time.
LUM_CNT = 9                                         / Luminance images combined.
LUM_DARK= 15                                         / Darks used for luminance.
LUM_FLAT= 20                                         / Flats used for luminance.
LUM_BIAS= 20                                    / Flat-darks used for luminance.
DATAMIN = 0                                                 / Minimum data value
DATAMAX = 65535                                             / Maximum data value
CBLACK  = 491                           / Black point used for displaying image.
CWHITE  = 801                       / White point used for displaying the image.
CTYPE1  = 'RA---TAN'              / first parameter RA  ,  projection TANgential
CTYPE2  = 'DEC--TAN'              / second parameter DEC,  projection TANgential
CUNIT1  = 'deg     '                                       / Unit of coordinates
EQUINOX = 2000.0                                        / Equinox of coordinates
CRPIX1  = 1.562500000000E+003                             / X of reference pixel
CRPIX2  = 1.044500000000E+003                             / Y of reference pixel
CRVAL1  = 5.798190094293E+000                      / RA of reference pixel (deg)
CRVAL2  = 5.579385787567E+001                     / DEC of reference pixel (deg)
CDELT1  = 5.837421463328E-004                               / X pixel size (deg)
CDELT2  = 5.839158749812E-004                               / Y pixel size (deg)
CROTA1  = -8.955562933638E+001              / Image twist of X axis        (deg)
CROTA2  = -8.955975764219E+001              / Image twist of Y axis        (deg)
CD1_1   = 4.485242932870E-006          / CD matrix to convert (x,y) to (Ra, Dec)
CD1_2   = -5.838983134004E-004         / CD matrix to convert (x,y) to (Ra, Dec)
CD2_1   = 5.837249146653E-004          / CD matrix to convert (x,y) to (Ra, Dec)
CD2_2   = 4.528649156697E-006          / CD matrix to convert (x,y) to (Ra, Dec)
PLTSOLVD= T                                              / ASTAP internal solver
COMMENT 7 ' Solved in 0.2 sec.                                                
OBJECT  = 'T Cas   '                                                            
AIRMASS = 1.504000000000E+000                                                   
END