--- header unit 0: primary ---
SIMPLE = T
BITPIX = 16
NAXIS = 2
NAXIS1 = 2176
NAXIS2 = 2184
BSCALE = 1.00000000 / real=bzero+bscale*value
BZERO = 32768.00000000
BUNIT = 'DU/PIXEL'
ORIGIN = 'LCO/OCIW'
OBSERVER = 'N. Morrell'
TELESCOP = 'Swope' / telescope
SITENAME = 'LCO'
SITEALT = 2280 / meters
SITELAT = -29.08300
SITELONG = -70.69800
TIMEZONE = 4
DATE-OBS = '2024-01-04T18:46:42' / (start)
UT-DATE = '2024-01-04' / UT date (start)
UT-TIME = '18:46:42' / UT time (start) 67602 seconds
UT-END = '18:47:02' / UT time (end) 67622 seconds
LC-TIME = '15:46:42' / local time (start) 56802 seconds
NIGHT = '04Jan2024' / local night
INSTRUME = 'Direct/4Kx4K-4' / instrument name
SCALE = 0.435 / arcsec/pixel
EGAIN = 1.040 / electrons/DU
ENOISE = 3.200 / electrons/read
NOPAMPS = 4 / # of op-amps
OPAMP = 2 / this op-amp
CHOFFX = 445.440 / x-offset [arcsec]
CHOFFY = 447.180 / y-offset [arcsec]
DISPAXIS = 0 / disperser axis
RA = ' 00:04:59.6' / right ascension
RA-D = 1.2481667 / degrees
DEC = '-25:00:01.6' / declination
DEC-D = -25.0004444 / degrees
EQUINOX = 2000.00000 / of above coordinates
ASECS = 390.000 / arcseconds
DSECS = -204.000 / arcseconds
EPOCH = 2024.01033 / epoch (start)
AIRMASS = 1.337 / airmass (start) from TCS
ST = 75565.5 / sidereal time: 20:59:25 (start)
TELFOCUS = 23307 / telescope focus
CASSPOS = 0.0 / fixed at N-up/E-left
FILENAME = 'ccd2011c2'
OBJECT = 'Vshutcor20'
COMMENT =
EXPTYPE = 'Flat' / exposure type
EXPTIME = 20.000 / exposure time
NLOOPS = 3 / # of loops per sequence
LOOP = 1 / # within this sequence
BINNING = '1x1' / binning
SPEED = 'Turbo' / readout speed
NOVERSCN = 128 / overscan pixels
NBIASLNS = 128 / bias lines
BIASSEC = '[2049:2176,2057:2184]' / NOAO: bias section
DATASEC = '[1:2048,1:2056]' / NOAO: data section
TRIMSEC = '[1:2048,1:2056]' / NOAO: trim section
FILTER = 'V'
WHEEL1 = 'V' / filter in wheel1
WHEEL2 = 'Open' / filter in wheel2
SUBRASTR = 'none' / full frame
TEMPCCD = -111.3 / CCD temperature [C]
VGAUGE = 3.16E-05 / vacuum gauge [mbar]
IGAUGE = 1.75E-07 / ion-pump gauge [mbar]
SOFTWARE = 'Version 1.8 (0472) (Nov 20 2023, 15:16:02)'
FITSVERS = '1.2' / FITS header version