--- header unit 0: primary ---
SIMPLE = F / FIT STANDARD
BITPIX = 16 / FITS BITS/PIXEL
NAXIS = 2 / NUMBER OF AXES
NAXIS1 = 2128 / WIDTH (TOTAL!)
NAXIS2 = 2069 / HEIGHT (TOTAL!)
SDSS / THIS HEADER CONTAINS SPECIAL SDSS KEYWORDS
UNSIGNED / UNSIGNED DATA - NO BSCALE OR BZERO KEYWORDS
TAI = 4716529858.85 / 1st row Number of seconds since Nov 17 1858
RA = 256.49381 / 1st row RA of telescope boresight (deg)
DEC = 37.156890 / 1st row Dec of telescope boresight (degrees)
SPA = 359.985 / 1st row Cam col position angle wrt N (deg)
IPA = 266.780 / 1st row Inst rotator position angle (deg)
IPARATE = 0.0030 / 1st row Inst rotator anglr velocity (deg/sec)
AZ = 251.17653 / 1st row Azimuth (encoder) of tele (0=N?) (deg)
ALT = 67.591258 / 1st row Altitude (encoder) of tele (degrees)
FOCUS = -45.000000 / 1st row - Focus piston (microns?)
DATE-OBS = '2008-05-03' / 1st row - TAI date
TAIHMS = '11:10:58.84' / 1st row TAI time HH:MM:SS.SS
DATASUM = '3395828867' / Data checksum created 2008-05-03T11:11:56
CHECKSUM = 'PdA1RdA1PdA1PdA1' / HDU checksum created 2008-05-03T11:11:56
TIMESYS = 'tai' / TAI, not UTC
TAI-BEG = 4.71652978700000E+09 / Exposure Start Time
TAI-END = 4.71652981000000E+09 / Exposure End Time
MJD = 54589 / MJD of observation
VERSION = 'v4_38_0' / version of IOP
CAMVER = 'SPEC1 v4_8' / Camera code version
OBSERVER = 'hjbrew'
OBSCOMM = 'post-arc'
TELESCOP = 'SDSS 2-5m'
SEQID = 52507 / Spectro sequence number, unique over
EXPOSURE = 52513 / Spectro exposure number, unique over
EXPTIME = 2.00000000000000E+00 / Exposure time. (seconds)
DARKTIME = 2.30000000000000E+01 / Time between flush charge and read-ou
FLAVOR = 'arc' / Flavor of this sequence (e.g., dome f
QUALITY = 'excellent' / night/image quality
RADEG = 2.56493100000000E+02 / Right Ascension. (degrees)
DECDEG = 3.71569800000000E+01 / Declination. (degrees)
PLATEID = 2971 / Plate Id
TILEID = 1934 / Tile Id
CARTID = 2 / Cartridge Id
REDDEN = '0.1363 0.1003 0.0728 0.0552 0.0391' / Median reddening vector for pla
MAPID = 5458701 / Map Id
NAME = '2971-54587-01' / Name of target; PlateId-MJD-Mapper Re
PLUGMAPO = '/data/spectro/plugMapM/plPlugMapM-2971-54587-01.par' / plPlugMap load
CAMERAS = 'b1' / camera ID in this exposure
CAMCOL = 1 / CCD ID in this exposure
COLBIN = 1 / Binning factor perpendicular to the c
ROWBIN = 1 / Binning factor perpendicular to the r
PROGRAM = 'binning 1   1' / Identifying name for CCD program
AMPLL = 0 / which amp 0,1,2,3 corresponds to low
AMPLR = 2 / which amp 0,1,2,3 corresponds to low
AMPUL = 1 / which amp 0,1,2,3 corresponds to high
AMPUR = 3 / which amp 0,1,2,3 corresponds to high
SECFOCUS = -4.5000000000000E+01 / Secondary Mirror Position as reported
GUIDEIMG = '/data/spectro/guider/gimg1171.fits' / Last archived guider image
WTIME = 1.20981260100000E+09 / weatherData(timeStamp)
AIRTEMP = 3.80000000000000E+00 / weatherData(airtemp)
DEWPOINT = -2.0400000000000E+01 / weatherData(dewpoint)
DEWDEP = 2.42000000000000E+01 / weatherData(dewpointDep)
DUSTA = 9.65950000000000E+04 / weatherData(dusta)
DUSTB = 2.48900000000000E+03 / weatherData(dustb)
DUSTC = 5.83330000000000E+04 / weatherData(dustc)
DUSTD = 1.44700000000000E+03 / weatherData(dustd)
GUSTD = 1.74000000000000E+02 / weatherData(gustd)
GUSTS = 1.72000000000000E+01 / weatherData(gusts)
HUMIDITY = 1.51000000000000E+01 / weatherData(humidity)
HUMIDOUT = 1.50000000000000E+01 / weatherData(humidout)
PRESSURE = 2.14640000000000E+01 / weatherData(pressure)
WINDD = 1.75300000000000E+02 / weatherData(windd)
WINDS = 1.56000000000000E+01 / weatherData(winds)
MC1HUMHT = 7.20000000000000E+00 / sp1 mech hartmann humidity
MC1HUMCO = 1.40000000000000E+01 / sp1 mech cen opt humidity
MC1TEMDN = 4.60000000000000E+00 / sp1 mech median temp
MC1THT = 4.10000000000000E+00 / sp1 mech Temp_Hartmann_Top
MC1TRCB = 4.50000000000000E+00 / sp1 mech Temp_Red_Cam_Bot
MC1TRCT = 5.00000000000000E+00 / sp1 mech Temp_Red_Cam_Top
MC1TBCB = 4.60000000000000E+00 / sp1 mech Temp_Blue_Cam_Bot
MC1TBCT = 4.50000000000000E+00 / sp1 mech Temp_Blue_Cam_Top
MC2HUMHT = -2.4900000000000E+01 / sp2 mech hartmann humidity
MC2HUMCO = 1.15000000000000E+01 / sp2 mech cen opt humidity
MC2TEMDN = 3.30000000000000E+00 / sp2 mech median temp
MC2THT = 3.70000000000000E+00 / sp2 mech Temp_Hartmann_Top
MC2TRCB = 3.90000000000000E+00 / sp2 mech Temp_Red_Cam_Bot
MC2TRCT = 3.20000000000000E+00 / sp2 mech Temp_Red_Cam_Top
MC2TBCB = 3.30000000000000E+00 / sp2 mech Temp_Blue_Cam_Bot
MC2TBCT = 3.50000000000000E+00 / sp2 mech Temp_Blue_Cam_Top
FFS = '1 1 1 1 1 1 1 1' / FlatField Screen 1:closed 0:open
FF = '0 0 0 0' / FlatField Lamps 1:on 0:off
NE = '1 1 1 1' / Ne Lamps 1:on 0:off
HGCD = '1 1 1 1' / Hgcd Lamps 1:on 0:off
SPEC1 = '1 0 1 1' / Dr_opn Dr_cls Latch Slithead (1:inpla
SPEC2 = '1 0 1 1' / Dr_opn Dr_cls Latch Slithead (1:inpla
TEMP01 = -9.3750000000000E+01 / CCD 01 Temperature
TEMP02 = -9.3750000000000E+01 / CCD 02 Temperature
TEMP03 = -9.2580000000000E+01 / CCD 03 Temperature
TEMP04 = -9.3360000000000E+01 / CCD 04 Temperature