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New FITS Header
Fits Fans, here is the latest version of the fits header that I am writing
on the data I take tonight. Please, fits experts, read this carefully. I
want to get to the point where I can take "keeper" data with TOM. It will
not be worth processing (I suspect) if the header is not in near final form.
Tom Droege
SIMPLE = T / file does conform to FITS
standard
BITPIX = 16 / number of bits per data
pixel
NAXIS = 2 / number of data
axes
NAXIS1 = 2043 / length of data axis
1
NAXIS2 = 2037 / length of data axis
2
EXTEND = T / FITS dataset may contain
extensions
COMMENT FITS (Flexible Image Transport System) format defined in
Astronomy and
COMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359,
v73/p365.
COMMENT Contact the NASA Science Office of Standards and Technology for
the
COMMENT FITS Definition document #100 and other FITS
information.
DATE = '2001-04-09T21:21:23' / file creation date (YYYY-MM-DDThh:mm:ss
UTC)
FILTER =
'V '
LATITUDE= 41.8271 / Site H latitude, degrees
north
LONGITUD= -88.3125 / Site H longitude, degrees
east
RALIM = -9.5 / RA Limit Switch Position Degrees
East
DECLIM = 0. / Declination limit switch Degrees
North
DATASEC = '[ 17:2064, 1:2048]' / Place keeper for Active area of the
detector
BIASSEC = '[ 10: 15, 1:2048]' / Place keeper for Under-Over scan
region
TIMESYS = 'UT ' / time system for exposure
start
EPOCH = 2001. / Place keeper for Epoch of
coordinates
EQUINOX = 2000. / Place keeper for Equinox of
coordinates
SCALE = 7.4 / Arc seconds per
pixel
TIMEBASE= 'Manual GPS' / By hand transfer to PC
clock
COMMENT Additions to Constant
File
RA = '4:31:8.97' / RA of Field
Center
CRVAL1 = 4.52471659378365 / RA of Field
Center
RATIME = '1.976563' / Seconds since turning on RA
drive
IMAGETYP= 'object ' / object
frame
WATERTMP= '26.92675' / Cooling water
temperature
VCOTEMP = '32.45043' / VCO
Temperature
DEC = '0:00:00 ' / Place Keeper for DEC of field
center
CRVAL2 = '0 ' / Place Keeper for DEC of field
center
UT = '22:21:18' / Universal time of #0 exposure (V)
start
COMMENT This is the #0 Camera
File
DATE-OBS= '2001-04-09T22:21:18' / UT date-time of exposure
start
UTSTART = '22:21:18' / Universal time of #0 exposure (V)
start
EXPTIME = 99.85938 / Open Time for Camera 0 usually
V
GAIN = 2.5 / Place Keeper for Gain in electrons per
adu
RDNOISE = 25. / Place Keeper for Read Noise in
electrons
CDTEMP = '4.77099 ' / CCD Temperature Camera 0
END