zero

SIMPLE = T / file does conform to FITS standard BITPIX = -32 / number of bits per data pixel NAXIS = 3 / number of data axes NAXIS1 = 6166 / length of data axis 1 NAXIS2 = 4115 / 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 PROGRAM = 'Siril 1.4.4' / Software that created this HDU DATE = '2026-09-27T15:15:23' / UTC date that FITS file was created DATE-OBS= '2026-09-22T05:27:04.566866' / YYYY-MM-DDThh:mm:ss observation start, IMAGETYP= 'Light ' / Type of image ROWORDER= 'BOTTOM-UP' / Order of the rows in image array EXPTIME = 300. / [s] Exposure time duration TELESCOP= 'ZWO AM3 ' / Telescope used to acquire this image FOCALLEN= 611. / [mm] Focal length XBINNING= 1 / Camera binning mode YBINNING= 1 / Camera binning mode XPIXSZ = 3.75999999046326 / [um] Pixel X axis size YPIXSZ = 3.75999999046326 / [um] Pixel Y axis size INSTRUME= 'ZWO ASI2600MC Air' / Instrument name CCD-TEMP= -10. / [degC] CCD temperature SET-TEMP= -10. / [degC] CCD temperature setpoint GAIN = 100 / Sensor gain OFFSET = 50 / Sensor gain offset CVF = 0.242862924933434 / [e-/ADU] Electrons per A/D unit STACKCNT= 337 / Stack frames LIVETIME= 101100. / [s] Exposure time after deadtime correction EXPSTART= 2461282.71986745 / [JD] Exposur