--- 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 = 4737347290.52 / 1st row Number of seconds since Nov 17 1858
RA = 152.50963 / 1st row RA of telescope boresight (deg)
DEC = 20.821724 / 1st row Dec of telescope boresight (degrees)
SPA = 0.006 / 1st row Cam col position angle wrt N (deg)
IPA = 39.950 / 1st row Inst rotator position angle (deg)
IPARATE = -0.0088 / 1st row Inst rotator anglr velocity (deg/sec)
AZ = 45.509863 / 1st row Azimuth (encoder) of tele (0=N?) (deg)
ALT = 73.742257 / 1st row Altitude (encoder) of tele (degrees)
FOCUS = 37.000000 / 1st row - Focus piston (microns?)
DATE-OBS = '2008-12-30' / 1st row - TAI date
TAIHMS = '09:48:10.52' / 1st row TAI time HH:MM:SS.SS
DATASUM = '3268934431' / Data checksum created 2008-12-30T09:49:09
CHECKSUM = 'omPRpkPQokPQokPQ' / HDU checksum created 2008-12-30T09:49:09
TIMESYS = 'tai' / TAI, not UTC
TAI-BEG = 4.73734722000000E+09 / Exposure Start Time
TAI-END = 4.73734724100000E+09 / Exposure End Time
MJD = 54830 / MJD of observation
VERSION = 'v4_39_0' / version of IOP
CAMVER = 'SPEC1 v4_8' / Camera code version
OBSERVER = 'viktorm'
OBSCOMM = 'post-arc'
TELESCOP = 'SDSS 2-5m'
SEQID = 57649 / Spectro sequence number, unique over
EXPOSURE = 57655 / Spectro exposure number, unique over
EXPTIME = 2.00000000000000E+00 / Exposure time. (seconds)
DARKTIME = 2.10000000000000E+01 / Time between flush charge and read-ou
FLAVOR = 'arc' / Flavor of this sequence (e.g., dome f
QUALITY = 'excellent' / night/image quality
RADEG = 1.52509000000000E+02 / Right Ascension. (degrees)
DECDEG = 2.08204990000000E+01 / Declination. (degrees)
PLATEID = 3179 / Plate Id
TILEID = 379 / Tile Id
CARTID = 8 / Cartridge Id
REDDEN = '0.1408 0.1036 0.0751 0.0570 0.0404' / Median reddening vector for pla
MAPID = 5482901 / Map Id
NAME = '3179-54829-01' / Name of target; PlateId-MJD-Mapper Re
PLUGMAPO = '/data/spectro/plugMapM/plPlugMapM-3179-54829-01.par' / plPlugMap load
CAMERAS = 'r2' / camera ID in this exposure
CAMCOL = 2 / 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 = 3.70000000000000E+01 / Secondary Mirror Position as reported
GUIDEIMG = '/data/spectro/guider/gimg0228.fits' / Last archived guider image
WTIME = 1.23063011900000E+09 / weatherData(timeStamp)
AIRTEMP = 5.30000000000000E+00 / weatherData(airtemp)
DEWPOINT = -2.0600000000000E+01 / weatherData(dewpoint)
DEWDEP = 2.59000000000000E+01 / weatherData(dewpointDep)
DUSTA = 9.99999000000000E+05 / weatherData(dusta)
DUSTB = 7.00000000000000E+00 / weatherData(dustb)
DUSTC = 2.34000000000000E+02 / weatherData(dustc)
DUSTD = 0.00000000000000E+00 / weatherData(dustd)
GUSTD = 2.10500000000000E+02 / weatherData(gustd)
GUSTS = 1.53000000000000E+01 / weatherData(gusts)
HUMIDITY = 1.33000000000000E+01 / weatherData(humidity)
HUMIDOUT = 1.30000000000000E+01 / weatherData(humidout)
PRESSURE = 2.15520000000000E+01 / weatherData(pressure)
WINDD = 2.08200000000000E+02 / weatherData(windd)
WINDS = 1.32000000000000E+01 / weatherData(winds)
MC1HUMHT = 6.00000000000000E+00 / sp1 mech hartmann humidity
MC1HUMCO = 1.31000000000000E+01 / sp1 mech cen opt humidity
MC1TEMDN = 6.30000000000000E+00 / sp1 mech median temp
MC1THT = 5.30000000000000E+00 / sp1 mech Temp_Hartmann_Top
MC1TRCB = 6.10000000000000E+00 / sp1 mech Temp_Red_Cam_Bot
MC1TRCT = 6.70000000000000E+00 / sp1 mech Temp_Red_Cam_Top
MC1TBCB = 6.30000000000000E+00 / sp1 mech Temp_Blue_Cam_Bot
MC1TBCT = 6.20000000000000E+00 / sp1 mech Temp_Blue_Cam_Top
MC2HUMHT = -2.5000000000000E+01 / sp2 mech hartmann humidity
MC2HUMCO = 1.46000000000000E+01 / sp2 mech cen opt humidity
MC2TEMDN = 4.60000000000000E+00 / sp2 mech median temp
MC2THT = 5.10000000000000E+00 / sp2 mech Temp_Hartmann_Top
MC2TRCB = 5.10000000000000E+00 / sp2 mech Temp_Red_Cam_Bot
MC2TRCT = 4.50000000000000E+00 / sp2 mech Temp_Red_Cam_Top
MC2TBCB = 4.60000000000000E+00 / sp2 mech Temp_Blue_Cam_Bot
MC2TBCT = 4.90000000000000E+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 = -9.3360000000000E+01 / CCD 02 Temperature
TEMP03 = -9.2970000000000E+01 / CCD 03 Temperature
TEMP04 = -9.2970000000000E+01 / CCD 04 Temperature