Image 1812201

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Background - FWHM - WCS - Filters - Zero point
Id:1812201
Filename: /mnt/data0/cta-n/2018/20181108/darks/C0/20181109064633-366-RA.fits
Time:2018-11-09 06:46:33 UT
Night:20181108
Site:cta-n
CCD:C0 / 2596
Type:dark
Image size: 1056x1024
Binning: 1x1
Exposure:1.0 s
Filter:DF
Target:1 / GRB 181108.818 GCN #871103
RA:0.0
Dec:0.0
Alt / Az:35.7924433253576 274.261481517066
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 1056 length of data axis
NAXIS2: 1024 length of data axis
CTIME: 1541745993 exposure start (seconds since 1.1.1970)
USEC: 366665 exposure start micro seconds
JD: 2458431.78216722 Modified Julian Date
DATE-OBS: '2018-11-09T06:46:33.366' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 2075 observation id
IMGID: 1 image id
PROC: 0 image processing status
CCD_NAME: 'C0' camera name
MOONDIST: 63.740104231894 angular distance to between observation and the
MOONRA: 244.935965176116 lunar RA
MOONDEC: -17.345312305758 lunar DEC
MOONPHA: 88.9027521199099 moon phase
MOONALT: -27.8761481596192 lunar altitude
MOONAZ: 275.416774749399 lunar azimuth
EXPOSURE: 1.0 exposure length in seconds
EXPTIME: 1.0 exposure length in seconds
INSTRUME: 'BART 254/1600 mm' name of the data acqusition instrument
TELESCOP: '' name of the data acqusition telescope
ORIGIN: 'Institute of Physics ASCR' organisation responsible for data
FOC_NAME: 'F0' name of focuser
SCRIPREP: 0 script loop count
SCRIPT: 'filter=DF D 1 filter=DF D 2 filter=DF D 30 filter=DF D 60 filter=DF D 120 filter=DF D 180' 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: 'G4KF16000-0620' camera serial number
CCD_CHIP: 'KAF-16803' camera chip type
IMAGETYP: 'dark' IRAF based image type
OBJECT: 'GRB 181108.818 GCN #871103' 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: 10.71439 detector air temperature
CCD_TEMP: -19.88735 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 39651 [%] utilization of cooling power
GAIN: 1167 [e-ADU] gain
PRODUCT_ID: 2596 camera product identification
SHIFT: 0 shift (for partial, not cleared readout)
RDOUTM: 'LOW NOISE' camera mode
FOC_TYPE: 'OPTEC_TCF' focuser type
FOC_POS: 3017.0 focuser position
FOC_TAR: 3017.0 focuser target position
FOC_DEF: 3017.0 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
FOC_TEMP: 1.6 focuser temperature
WEATHER.NEXT_GOOD_WEATHER: 1541608557.0 date and time of next good we
WEATHER.UPDATE_TIME: 1541745962.0 time of last update of weather stat
WEATHER.GOOD_WEATHER: True weather quality as set by external script
WEATHER.RAIN: False rain condition as set by external script
WEATHER.TEMPERATURE: 7.12 temperature as set by external script
WEATHER.WINDSPEED: 1.94166666667 wind speed as set by external scrip
WEATHER.HUMIDITY: 20.64 humidity as set by external script
WEATHER.PRESSURE: 790.89 pressure as set by external script
MNT_NAME: 'T0' name of mount
LATITUDE: 28.7666666666667 observatory latitude
LONGITUD: -17.9 observatory longitude
ALTITUDE: 2184.0 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: 188.0097 original position (epoch) RA
ORIDEC: 13.3481 original position (epoch) DEC
OEPOCH: 2000.0 epoch (2000,..)
PMRA: 0.0 proper motion/year RA
PMDEC: 0.0 proper motion/year DEC
OFFSRA: 0.0 object offset RA
OFFSDEC: 0.0 object offset DEC
OBJRA: 188.0097 telescope FOV center position (J2000) - with of
OBJDEC: 13.3481 telescope FOV center position (J2000) - with of
TARRA: 188.267226321166 target position with computed corrections (prec
TARDEC: 13.2156423320327 target position with computed corrections (prec
CORR_RA: 0.0440829999999665 correction from closed loop RA
CORR_DEC: -0.0387929999999983 correction from closed loop DEC
MO_RTS2RA: 0.0 [deg] RTS2 model offsets RA
MO_RTS2DEC: 0.0 [deg] RTS2 model offsets DEC
TELRA: 188.266666666667 mount position (from sensors, sky coordinates)
TELDEC: 13.2158333333333 mount position (from sensors, sky coordinates)
JD_HELIO: 2458431.77838628 heliocentric JD
TEL_ALT: 35.7924433253576 horizontal telescope coordinates altitude
TEL_AZ: 274.261481517066 horizontal telescope coordinates azimuth
PARKTIME: 1541724951.5715 Time of last mount park
AIRMASS: 1.70765395786822 Airmass of target location
HA: 303.808624515654 Location hour angle
LST: 132.075291182321 Local Sidereal Time
MOVE_NUM: 50 number of movements performed by the driver; us
CORR_IMG: 28 ID of last image used for correction
CORR_OBS: 2074 ID of last observation used for correction
MNT_ROTA: 0.0 mount rotang
MNT_FLIP: 0 telescope flip
LOCATIME: 101.825 telescope local time
FLIP: '' telescope flip
MNT_INFO: 1541745979.24863 time when mount informations were collected
SUN_ALT: -9.64265179745905 solar altitude
SUN_AZ: 283.939108214929 solar azimuth
CAM_FILT: 0 filter used for image
AVERAGE: 484.12993182558 average value of image
STDEV: 7.56931717873538 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 188.0097 reference value on 1st axis
CRVAL2T: 13.3481 reference value on 2nd axis
CRPIX1T: 528.0 reference pixel of the 1st axis
CRPIX2T: 512.0 reference pixel of the 2nd axis
CDELT1T: 0.000425 delta along 1st axis
CDELT2T: -0.000425 delta along 2nd axis
CROTA2T: 0.0 rotational angle
FILTER: 'DF' camera filter as string
DATE: '2018-11-09T06:46:39.692' creation date
CHECKSUM: '9fCUJdCU9dCUGdCU' HDU checksum updated 2022-10-04T23:31:24
DATASUM: '3552895316' data unit checksum updated 2022-10-04T23:31:24