Image 4014384

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Background - FWHM - WCS - Filters - Zero point
Id:4014384
Filename: /mnt/data0/cta-n/2020/20200901/darks/WF0/20200901200802-980-RA.fits
Time:2020-09-01 20:08:02 UT
Night:20200901
Site:cta-n
CCD:WF0 / 6149
Type:dark
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:1.0 s
Filter:B
Target:1 / Dark frames
RA:0.0
Dec:0.0
Alt / Az:65.3517482845 285.730396422
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: 1598990882 exposure start (seconds since 1.1.1970)
USEC: 980011 exposure start micro seconds
JD: 2459094.33845023 Modified Julian Date
DATE-OBS: '2020-09-01T20:08:02.980' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 24158 observation id
IMGID: 2 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'WF0' camera name
MOONDIST: 58.1361770271142 angular distance to between observation and the
MOONRA: 338.758719794061 lunar RA
MOONDEC: -13.973197880277 lunar DEC
MOONPHA: 3.55094530680684 moon phase
MOONALT: 7.45660363662512 lunar altitude
MOONAZ: 290.465418020445 lunar azimuth
EXPOSURE: 1.0 exposure length in seconds
EXPTIME: 1.0 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: 'filter=B D 1 filter=B D 2 filter=B D 3 filter=B D 5 filter=B D 10 filter=B D 20 filter=B D 30 filter=B D 60 filter=B D 120 filter=B 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: 'G4KF16000-0614' camera serial number
CCD_CHIP: 'KAF-16803' camera chip type
IMAGETYP: 'dark' IRAF based image type
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: 30.87897 detector air temperature
CCD_TEMP: -19.88076 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.875 [%] utilization of cooling power
VOLTAGE: 11.63622 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
PRODUCT_ID: 6149 camera product identification
PREFLASH: 0.0 Duration of CCD pre-exposure preflash
NCLEARS: 0 Number of CCD pre-exposure clears after preflas
RDOUTM: 'Low Noise' camera mode
OBJECT: 'Dark frames' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 2846.0 focuser position
FOC_TAR: 2845.45483398438 focuser target position
FOC_DEF: 2855.45490982 default target value
FOC_FILTEROFF: -10.0 offset related to actual filter
FOC_FOFF: 0.0 offset from focusing routine
FOC_TOFF: 0.0 temporary offset for focusing
WEATHER.NEXT_GOOD_WEATHER: 1598748302.0 date and time of next good we
WEATHER.UPDATE_TIME: 1598990882.0 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: 15.89 temperature as set by external script
WEATHER.WINDSPEED: 2.09166666667 wind speed as set by external scrip
WEATHER.HUMIDITY: 19.84 humidity as set by external script
WEATHER.PRESSURE: 787.66 pressure as set by external script
MNT_NAME: 'T0' name of mount
LATITUDE: 28.7705555555556 observatory latitude
LONGITUD: -17.8944444444444 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: 290.419199 original position (epoch) RA
ORIDEC: 19.533585 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: 0.20000000000016 object offset DEC
OBJRA: 290.419199 telescope FOV center position (J2000) - with of
OBJDEC: 19.7335850000002 telescope FOV center position (J2000) - with of
TARRA: 290.639723480178 target position with computed corrections (prec
TARDEC: 19.778861424256 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: 290.640416666667 mount position (from sensors, sky coordinates)
TELDEC: 19.7758333333333 mount position (from sensors, sky coordinates)
JD_HELIO: 2459094.34209992 heliocentric JD
TEL_ALT: 65.3517482844631 horizontal telescope coordinates altitude
TEL_AZ: 285.730396422433 horizontal telescope coordinates azimuth
PARKTIME: 1598943139.55102 Time of last mount park
AIRMASS: 1.10009475810227 Airmass of target location
HA: 334.749280455504 Location hour angle
LST: 265.38969712217 Local Sidereal Time
MOVE_NUM: 13093 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: 301.826666666667 telescope local time
FLIP: 'West' telescope flip
GSTAT: '0' low-level status as returned by mount
MNT_INFO: 1598990842.10051 time when mount informations were collected
SUN_ALT: -8.60909060786737 solar altitude
SUN_AZ: 104.093085000805 solar azimuth
CAM_FILT: 0 filter used for image
AVERAGE: 531.488097988396 average value of image
STDEV: 15.9884845230644 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 290.419199 reference value on 1st axis
CRVAL2T: 19.7335850000002 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
DATASEC: '[34:4129,12:4107]' good data section
FILTER: 'B' camera filter as string
DATE: '2020-09-01T20:08:29.241' creation date
CHECKSUM: 'h7Q2k7O1h7O1h7O1' HDU checksum updated 2022-10-06T22:27:12
DATASUM: '1663539036' data unit checksum updated 2022-10-06T22:27:12