Key Value Comment SIMPLE T Java FITS: Sat Jan 18 10:58:26 WET 2025 BITPIX -32 bits per data element NAXIS 2 dimensionality of data NAXIS1 516 n'th data dimension NAXIS2 366 n'th data dimension EXTEND T allow extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H CREATOR ZWO ASIAIR PRO Capture software OFFSET 30 camera offset XORGSUBF 0 Subframe X position in binned pixels YORGSUBF 0 Subframe Y position in binned pixels FOCALLEN 247 Focal length of telescope in mm SET-TEMP -15 CCD temperature setpoint in degrees C EGAIN 1.00224268436432 Electronic gain in e-/ADU XBINNING 2 Camera X Bin YBINNING 2 Camera Y Bin CCDXBIN 2 Camera X Bin CCDYBIN 2 Camera Y Bin XPIXSZ 4.63000011444092 pixel size in microns (with binning) YPIXSZ 4.63000011444092 pixel size in microns (with binning) IMAGETYP Light Type of image EXPOSURE 60. Exposure time in seconds TELESCOP RedCat OBJECT SS Cyg EXPTIME 60. Exposure time in seconds CCD-TEMP -14.8000001907349 sensor temperature in C RA 325.68672 Object Right Ascension in degrees DEC 43.585158 Object Declination in degrees DATE-OBS 2024-08-24T21:38:43.148124 ISO-8601 time of observation FILTER V Filter used when taking image INSTRUME ZWO ASI294MM Pro Camera model GUIDECAM ZWO ASI120MM-S Guide camera model GAIN 120 Gain Value FOCUSPOS 1934 Focuser position in steps IMAGEW 4144 Image width, in pixels. IMAGEH 2822 Image height, in pixels. HIERARCH SUBTRACT_BIAS subbias SUBBIAS ccd=, master= HIERARCH SUBTRACT_DARK subdark SUBDARK ccd=, master=, exposure_time=exptime, exposure_un& HIERARCH FLAT_CORRECT flatcor FLATCOR ccd=, flat= BUNIT adu MJD-OBS 60546.901888288 [d] MJD of observation WCSAXES 2 Number of coordinate axes CRPIX1 -685.4774882 Pixel coordinate of reference point CRPIX2 -774.324127197 Pixel coordinate of reference point PC1_1 0.000116357687805 Coordinate transformation matrix element PC1_2 0.00106694590492 Coordinate transformation matrix element PC2_1 -0.00106676250539 Coordinate transformation matrix element PC2_2 0.000116032943459 Coordinate transformation matrix element CDELT1 1.0 [deg] Coordinate increment at reference point CDELT2 1.0 [deg] Coordinate increment at reference point CUNIT1 deg Units of coordinate increment and value CUNIT2 deg Units of coordinate increment and value CTYPE1 RA---TAN TAN (gnomonic) projection + SIP distortions CTYPE2 DEC--TAN TAN (gnomonic) projection + SIP distortions CRVAL1 324.052793345 [deg] Coordinate value at reference point CRVAL2 44.5917664114 [deg] Coordinate value at reference point LONPOLE 180.0 [deg] Native longitude of celestial pole LATPOLE 44.5917664114 [deg] Native latitude of celestial pole MJDREF 0.0 [d] MJD of fiducial time RADESYS ICRS Equatorial coordinate system A_ORDER 2 SIP polynomial order, axis 0, detector to sky A_0_2 -5.20085864525E-08 SIP distortion coefficient A_1_1 7.1735592912E-08 SIP distortion coefficient A_2_0 4.31192568389E-07 SIP distortion coefficient B_ORDER 2 SIP polynomial order, axis 1, detector to sky B_0_2 2.46681841041E-07 SIP distortion coefficient B_1_1 4.64909895585E-07 SIP distortion coefficient B_2_0 -1.086072885E-07 SIP distortion coefficient AP_ORDER 2 SIP polynomial order, axis 0, sky to detector AP_0_0 -0.000619539158121 SIP distortion coefficient AP_0_1 1.93807262783E-07 SIP distortion coefficient AP_0_2 5.18547568684E-08 SIP distortion coefficient AP_1_0 -6.56513846157E-07 SIP distortion coefficient AP_1_1 -7.15438482111E-08 SIP distortion coefficient AP_2_0 -4.29844496609E-07 SIP distortion coefficient BP_ORDER 2 SIP polynomial order, axis 1, sky to detector BP_0_0 0.000120885596535 SIP distortion coefficient BP_0_1 -7.37241321105E-07 SIP distortion coefficient BP_0_2 -2.45996608482E-07 SIP distortion coefficient BP_1_0 -5.05641853599E-07 SIP distortion coefficient BP_1_1 -4.63471288707E-07 SIP distortion coefficient BP_2_0 1.08411458424E-07 SIP distortion coefficient CALSTAT BDF USERNAME GTOA VPhot-Update3_Handler.ashx