SIMPLE = T / Written by IDL: Mon Apr 29 10:15:03 2024 SIMPLE = T / BITPIX = 16 / NAXIS = 2 / NAXIS1 = 2048 / NAXIS2 = 2048 / BZERO = 0.00000 / BSCALE = 1.00000 / CRPIX1 = 1026 / CRPIX2 = 1021 / CDELT1 = 1.00150 / CDELT2 = 1.00150 / CTYPE1 = 'ARCSEC ' /WEST POSITIVE CTYPE2 = 'ARCSEC ' /NORTH POSITIVE ASP = 1.00000 /Raw image aspect ratio CRVAL1 = 0 / CRVAL2 = 0 / CENX = 1024 / Raw image disk center X CENY = 1024 / Raw image disk center Y XCEN = 0 /X coord of CRPIX1 relative to disk center, pix YCEN = 0 /Y coord of CRPIX2 relative to disk center, pix TIME-OBS= '17:14:59' /START OF EXPOSURE DATE-OBS= '2024-04-29' / DATE_OBS= '2024-04-29T17:14:59.000Z' / ORIGIN = 'BBSO ' /BIG BEAR LAKE, CA TELESCOP= 'Ash Dome' / INSTRUME= 'BBSO Ha ' / DETECTOR= 'JAI TM-4200GE' / OBJECT = 'SUN ' / OBS_MODE= 'Patrol ' / OBS_TYPE= 'FULL DISK HALPHA' / IMAGETYP= 'Light Frame' / SEEING = '1 ' /FAIR CONTRAST= 0.0555677 /Image Contrast: Higher the Better DATAMAX = 3028 /Max Data Counts DATAMIN = 200 /Min Data Counts WAVELNTH= 'Ha+0.00 ' / WAVE ERR= -0.781000 /Filter Error, A, +/-0.2 is acceptable OBSERVER= 'OBS ' / TARGET = 'Full Frame' / EXPTIME = 90 /MS CADENCE = 30 /sec SOLAR_P0= -24.3012 / SOLAR_P = 0.00000 / SOLAR_B0= -4.29922 / RSUN = 952.825 /Apparent Solar Radius in Arcsec SOLAR_CR= 2283.77 /Carrington Rotation IMAGE_R0= 961.000 /Radius of the Solar Image, pixel FOCALLEN= 1570 /focal length, mm APTDIA = 100 /telescope aperture, mm OBJCTDEC= '+14:46:27' /Sun declination, DD:MM:SS OBJCTRA = '02:29:53' /Sun RA, HH:MM:SS OBJCTAZ = ' 110' /Sun azimuth, deg, (180 local noon) SITELAT = '34:15:30' /BBSO latitude, North SITELON = '116:55:17' /BBSO longitude, West COMMENT ORIGIN FILE NAME bbso_halph_fi_20240429_171459.fts MAXC = 2532 / Quiet Sun Max Brightness END