Image 3237566

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Background - FWHM - WCS - Filters - Zero point
Id:3237566
Filename: /mnt/data0/cta-n/2018/20181023/darks/WF0/20181023232442-262-RA.fits
Time:2018-10-23 23:24:42 UT
Night:20181023
Site:cta-n
CCD:WF0 / 6149
Type:zero
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:0.0 s
Filter:R
Target:1 / 29P/Swassmann-Wachmann
RA:0.0
Dec:0.0
Alt / Az:28.5622245787 179.397678637
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 4148 length of data axis
NAXIS2: 4124 length of data axis
PCOUNT: 0 size of special data area
GCOUNT: 1 one data group (required keyword)
XTENSION: 'BINTABLE' binary table extension
CTIME: 1540337082 exposure start (seconds since 1.1.1970)
USEC: 262764 exposure start micro seconds
JD: 2458415.47497253 Modified Julian Date
DATE-OBS: '2018-10-23T23:24:42.262' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 1742 observation id
IMGID: 1 image id
PROC: 0 image processing status
CCD_NAME: 'WF0' camera name
MOONDIST: 40.1351642617937 angular distance to between observation and the
MOONRA: 21.6264543024072 lunar RA
MOONDEC: 3.76837214959115 lunar DEC
MOONPHA: 5.60305096919063 moon phase
MOONALT: 60.7394012123542 lunar altitude
MOONAZ: 325.721757768978 lunar azimuth
EXPOSURE: 0.0 exposure length in seconds
EXPTIME: 0.0 exposure length in seconds
INSTRUME: 'WF0' name of the data acqusition instrument
TELESCOP: '' name of the data acqusition telescope
ORIGIN: 'Institute of Physics ASCR' organisation responsible for data
FOC_NAME: 'FWF' name of focuser
SCRIPREP: 0 script loop count
SCRIPT: 'D 0' 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: 'G4KF16000-0614' camera serial number
CCD_CHIP: 'KAF-16803' camera chip type
IMAGETYP: 'zero' IRAF based image type
OBJECT: '29P/Swassmann-Wachmann' 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: 17.76991 detector air temperature
CCD_TEMP: -20.40151 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.592 [%] utilization of cooling power
VOLTAGE: 11.63262 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
PRODUCT_ID: 6149 camera product identification
RDOUTM: 'Low Noise' camera mode
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 1857.0 focuser position
FOC_TAR: 1857.0 focuser target position
FOC_DEF: 1857.0 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: 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: 341.504167 original position (epoch) RA
ORIDEC: -0.740556 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: 341.504167 telescope FOV center position (J2000) - with of
OBJDEC: -0.740556 telescope FOV center position (J2000) - with of
TARRA: 341.709186189487 target position with computed corrections (prec
TARDEC: -0.644413784152536 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: 0.0 [deg] RTS2 model offsets RA
MO_RTS2DEC: 0.0 [deg] RTS2 model offsets DEC
TELRA: 254.408333333333 mount position (from sensors, sky coordinates)
TELDEC: 89.4333333333333 mount position (from sensors, sky coordinates)
JD_HELIO: 2458415.4765986 heliocentric JD
TEL_ALT: 28.5622245786591 horizontal telescope coordinates altitude
TEL_AZ: 179.397678637168 horizontal telescope coordinates azimuth
PARKTIME: 1540336535.84785 Time of last mount park
AIRMASS: 2.08687802385896 Airmass of target location
HA: 111.003784285691 Location hour angle
LST: 5.41211761902456 Local Sidereal Time
MOVE_NUM: 4 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: 0.0 mount rotang
MNT_FLIP: 0 telescope flip
LOCATIME: 351.195833333333 telescope local time
FLIP: '' telescope flip
MNT_INFO: 1540337037.62733 time when mount informations were collected
SUN_ALT: -62.826463897976 solar altitude
SUN_AZ: 124.681009857516 solar azimuth
CAM_FILT: 2 filter used for image
AVERAGE: 518.045263595651 average value of image
STDEV: 8.93029464101548 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 341.504167 reference value on 1st axis
CRVAL2T: -0.740556 reference value on 2nd axis
CRPIX1T: 2074.0 reference pixel of the 1st axis
CRPIX2T: 2062.0 reference pixel of the 2nd axis
CDELT1T: 0.0039 delta along 1st axis
CDELT2T: -0.0039 delta along 2nd axis
CROTA2T: 0.0 rotational angle
FILTER: 'R' camera filter as string
DATE: '2018-10-23T23:25:06.434' creation date
CHECKSUM: 'BCdWCCdWBCdWBCdW' HDU checksum updated 2022-10-04T23:18:36
DATASUM: '1441215107' data unit checksum updated 2022-10-04T23:18:36