Image 2438173

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Id:2438173
Filename: /mnt/data2/cta-s0/2018/20181220/darks/WF1/20181221094628-768-RA.fits
Time:2018-12-21 09:46:28 UT
Night:20181220
Site:cta-s0
CCD:WF1 / 6132
Type:dark
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:30.0 s
Filter:N
Target:1 / Dark frames
RA:0.0
Dec:0.0
Alt / Az:54.9235158464 112.218038812
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 4148 length of data axis
NAXIS2: 4124 length of data axis
CTIME: 1545385588 exposure start (seconds since 1.1.1970)
USEC: 768710 exposure start micro seconds
JD: 2458473.90670926 Modified Julian Date
DATE-OBS: '2018-12-21T09:46:28.768' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 13749 observation id
IMGID: 1 image id
PROC: 0 image processing status
CCD_NAME: 'WF1' camera name
MOONDIST: 67.5759499544738 angular distance to between observation and the
MOONRA: 70.0912007021223 lunar RA
MOONDEC: 18.3965394838721 lunar DEC
MOONPHA: 10.2424641242093 moon phase
MOONALT: -12.932031844274 lunar altitude
MOONAZ: 104.524747543926 lunar azimuth
EXPOSURE: 30.0 exposure length in seconds
EXPTIME: 30.0 exposure length in seconds
INSTRUME: '' name of the data acqusition instrument
TELESCOP: '' name of the data acqusition telescope
ORIGIN: '' organisation responsible for data
FOC_NAME: 'FWF' name of focuser
SCRIPREP: 14 script loop count
SCRIPT: 'filter=N D 30' script used to take this images
SCR_COMM: '' comment recorded for this script
COMM_NUM: 0 comment order within current script
CCD_TYPE: 'G4-16000' camera type
CCD_SER: 'G4KF16000-0613' camera serial number
CCD_CHIP: 'KAF-16803' camera chip type
IMAGETYP: 'dark' IRAF based image type
OBJECT: 'Dark frames' target object name
SLITPOSX: -1.0 [pixels] slit position along dithering axis
SLITPOSY: -1.0 [pixels] slit position along dithering axis
BINNING: '1x1' [pixelX x pixelY] chip binning
BINX: 1 [pixels] binning along X axis
BINY: 1 [pixels] binning along X axis
SHUTTER: 1 shutter state (0 - opened, 1 - closed)
CCD_AIR: 18.28407 detector air temperature
CCD_TEMP: -20.10488 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.564 [%] utilization of cooling power
VOLTAGE: 12.03337 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
product_id: 6132 camera product identification
RDOUTM: 'Low Noise' camera mode
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 9510.0 focuser position
FOC_TAR: 9510.0 focuser target position
FOC_DEF: 9510.0 default target value
FOC_FILTEROFF: 0.0 offset related to actual filter
FOC_FOFF: 0.0 offset from focusing routine
FOC_TOFF: 0.0 temporary offset for focusing
MNT_NAME: 'T0' name of mount
LATITUDE: -24.70123 observatory latitude
LONGITUD: -70.32482 observatory longitude
ALTITUDE: 2160.0 observatory altitude
AMBTEMP: 10.0 [C] observatory ambient temperature
AMBHUMIDITY: 70.0 [%] observatory relative humidity
WAVELENGTH: 500.0 [nm] incoming radiation wavelength
DUT1: 0.0 [s] UT1 - UTC
ORIRA: 132.94203 original position (epoch) RA
ORIDEC: -7.81317 original position (epoch) DEC
OEPOCH: 2000.0 epoch (2000,..)
PMRA: 0.0 proper motion/year RA
PMDEC: 0.0 proper motion/year DEC
OFFSRA: 0.07500000000006 object offset RA
OFFSDEC: 0.07500000000006 object offset DEC
DRATERA: 0.0 [deg/hour] differential tracking rate RA
DRATEDEC: 0.0 [deg/hour] differential tracking rate DEC
TRACKING: 'on' telescope tracking
SKYSPDRA: -9.1191291391491e-36 [deg/hour] tracking speeds vector (in RA/DEC) R
SKYSPDDEC: -9.1191291391491e-36 [deg/hour] tracking speeds vector (i
OBJRA: 133.01703 telescope FOV center position (J2000) - with of
OBJDEC: -7.73816999999994 telescope FOV center position (J2000) - with of
TAR_TELRA: 313.01703 target position (OBJ) in telescope coordinates
TAR_TELDEC: -172.26183 target position (OBJ) in telescope coordinate
TARRA: 133.256801918789 target position with computed corrections (prec
TARDEC: -7.81416070964744 target position with computed corrections (prec
CORR_RA: 0.0 correction from closed loop RA
CORR_DEC: 0.0 correction from closed loop DEC
MO_RTS2RA: -0.224705070223649 [deg] RTS2 model offsets RA
MO_RTS2DEC: -0.498451570192543 [deg] RTS2 model offsets DEC
TELRA: 133.481669852686 mount position (from sensors, sky coordinates)
TELDEC: -8.31264300827877 mount position (from sensors, sky coordinates)
JD_HELIO: 2458473.91080433 heliocentric JD
U_TELRA: 313.481669852686 mount position (from sensors, raw coordinates,
U_TELDEC: -171.687356991721 mount position (from sensors, raw coordinates,
TEL_ALT: 54.9235158463608 horizontal telescope coordinates altitude
TEL_AZ: 112.218038812467 horizontal telescope coordinates azimuth
mpec_difRA: 0.0 [degrees/hour] calculated MPEC differential tra
mpec_difDEC: 0.0 [degrees/hour] calculated MPEC differential tra
PARKTIME: 1545382124.34436 Time of last mount park
AIRMASS: 1.2215169391103 Airmass of target location
HA: 32.524134083981 Location hour angle
LST: 166.005803936667 Local Sidereal Time
MOVE_NUM: 2066 number of movements performed by the driver; us
CORR_IMG: 0 ID of last image used for correction
CORR_OBS: 0 ID of last observation used for correction
MNT_ROTA: 180.0 mount rotang
MNT_FLIP: 1 telescope flip
AXRA: -1670769 RA axis count
AXRARAW: -1870953 raw RA axis count
AXDEC: -2436747 DEC axis count
HR_RA: 19141006 [???] RA axis tracking rate
BR_RA: 19141006 [???] RA axis base rate
BR_DEC: 0 [???] DEC axis base rate
MNT_INFO: 1545385539.68035 time when mount informations were collected
SUN_ALT: -1.15708105378027 solar altitude
SUN_AZ: 296.562736962897 solar azimuth
WEATHER.next_good_weather: 1544701950.0 date and time of next good we
CAM_FILT: 4 filter used for image
AVERAGE: 562.198031526535 average value of image
STDEV: 25.1508566599057 standard deviation value of image
CRVAL1: 133.01703 reference value on 1st axis
CRVAL2: -7.73816999999994 reference value on 2nd axis
CROTA2: 180.0 rotational angle
FILTER: 'N' camera filter as string
DATE: '2018-12-21T09:47:23.073' creation date