--- 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 = 4730918290.04 / 1st row Number of seconds since Nov 17 1858
RA = 121.00000 / 1st row RA of telescope boresight (deg)
DEC = 30.000000 / 1st row Dec of telescope boresight (degrees)
SPA = 0.000 / 1st row Cam col position angle wrt N (deg)
IPA = 0.000 / 1st row Inst rotator position angle (deg)
IPARATE = NaN / 1st row Inst rotator anglr velocity (deg/sec)
AZ = 121.00000 / 1st row Azimuth (encoder) of tele (0=N?) (deg)
ALT = 30.000000 / 1st row Altitude (encoder) of tele (degrees)
FOCUS = 0.000000 / 1st row - Focus piston (microns?)
DATE-OBS = '2008-10-16' / 1st row - TAI date
TAIHMS = '23:58:10.03' / 1st row TAI time HH:MM:SS.SS
DATASUM = '3468689808' / Data checksum created 2008-10-16T23:59:09
CHECKSUM = '9HpOE9oN9EoNC9oN' / HDU checksum created 2008-10-16T23:59:09
TIMESYS = 'tai' / TAI, not UTC
TAI-BEG = 4.73091821000000E+09 / Exposure Start Time
TAI-END = 4.73091824100000E+09 / Exposure End Time
MJD = 54756 / MJD of observation
VERSION = 'v4_39_0' / version of IOP
CAMVER = 'SPEC1 v4_8' / Camera code version
OBSERVER = 'elenam'
OBSCOMM = 'post-flat'
TELESCOP = 'SDSS 2-5m'
SEQID = 55510 / Spectro sequence number, unique over
EXPOSURE = 55514 / Spectro exposure number, unique over
EXPTIME = 1.00000000000000E+01 / Exposure time. (seconds)
DARKTIME = 3.10000000000000E+01 / Time between flush charge and read-ou
FLAVOR = 'flat' / Flavor of this sequence (e.g., dome f
QUALITY = 'excellent' / night/image quality
RADEG = 3.55009223060000E+02 / Right Ascension. (degrees)
DECDEG = -9.8513501200000E+00 / Declination. (degrees)
PLATEID = 3144 / Plate Id
TILEID = 344 / Tile Id
CARTID = 3 / Cartridge Id
REDDEN = '0.1548 0.1139 0.0826 0.0626 0.0444' / Median reddening vector for pla
MAPID = 5473301 / Map Id
NAME = '3144-54733-01' / Name of target; PlateId-MJD-Mapper Re
PLUGMAPO = '/data/spectro/plugMapM/plPlugMapM-3144-54733-01.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 = -9.9990000000000E+03 / Secondary Mirror Position as reported
GUIDEIMG = '/data/spectro/guider/gimg0957.fits' / Last archived guider image
WTIME = 1.22420136500000E+09 / weatherData(timeStamp)
AIRTEMP = 7.00000000000000E+00 / weatherData(airtemp)
DEWPOINT = -4.0000000000000E-01 / weatherData(dewpoint)
DEWDEP = 7.40000000000000E+00 / weatherData(dewpointDep)
DUSTA = 6.49280000000000E+04 / weatherData(dusta)
DUSTB = 7.32000000000000E+02 / weatherData(dustb)
DUSTC = 4.04340000000000E+04 / weatherData(dustc)
DUSTD = 2.33000000000000E+02 / weatherData(dustd)
GUSTD = 3.55600000000000E+02 / weatherData(gustd)
GUSTS = 6.60000000000000E+00 / weatherData(gusts)
HUMIDITY = 5.91000000000000E+01 / weatherData(humidity)
HUMIDOUT = 5.90000000000000E+01 / weatherData(humidout)
PRESSURE = 2.16450000000000E+01 / weatherData(pressure)
WINDD = 3.45600000000000E+02 / weatherData(windd)
WINDS = 1.90000000000000E+00 / weatherData(winds)
MC1HUMHT = 1.56000000000000E+01 / sp1 mech hartmann humidity
MC1HUMCO = 1.02000000000000E+01 / sp1 mech cen opt humidity
MC1TEMDN = 1.18000000000000E+01 / sp1 mech median temp
MC1THT = 1.11000000000000E+01 / sp1 mech Temp_Hartmann_Top
MC1TRCB = 1.17000000000000E+01 / sp1 mech Temp_Red_Cam_Bot
MC1TRCT = 1.20000000000000E+01 / sp1 mech Temp_Red_Cam_Top
MC1TBCB = 1.20000000000000E+01 / sp1 mech Temp_Blue_Cam_Bot
MC1TBCT = 1.19000000000000E+01 / sp1 mech Temp_Blue_Cam_Top
MC2HUMHT = -2.5000000000000E+01 / sp2 mech hartmann humidity
MC2HUMCO = 1.14000000000000E+01 / sp2 mech cen opt humidity
MC2TEMDN = 9.70000000000000E+00 / sp2 mech median temp
MC2THT = 1.04000000000000E+01 / sp2 mech Temp_Hartmann_Top
MC2TRCB = 1.02000000000000E+01 / sp2 mech Temp_Red_Cam_Bot
MC2TRCT = 9.50000000000000E+00 / sp2 mech Temp_Red_Cam_Top
MC2TBCB = 9.70000000000000E+00 / sp2 mech Temp_Blue_Cam_Bot
MC2TBCT = 9.80000000000000E+00 / sp2 mech Temp_Blue_Cam_Top
FFS = '1 1 1 1 1 1 1 1' / FlatField Screen 1:closed 0:open
FF = '1 1 1 1' / FlatField Lamps 1:on 0:off
NE = '0 0 0 0' / Ne Lamps 1:on 0:off
HGCD = '0 0 0 0' / 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 = -9.3360000000000E+01 / CCD 01 Temperature
TEMP02 = -9.3360000000000E+01 / CCD 02 Temperature
TEMP03 = -9.2580000000000E+01 / CCD 03 Temperature
TEMP04 = -9.2190000000000E+01 / CCD 04 Temperature