Image 6453826

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Background - FWHM - WCS - Filters - Zero point
Id:6453826
Filename: /mnt/data3/cta-n/2023/20230801/darks/C0/20230801195936-825-RA.fits
Time:2023-08-01 19:59:36 UT
Night:20230801
Site:cta-n
CCD:C0 / 2596
Type:dark
Image size: 1062x1026 (1056x1024 usable)
Binning: 1x1
Exposure:20.0 s
Filter:DF
Target:1 / Dark frames
RA:0.0
Dec:0.0
Alt / Az:28.60780587515 179.495010847857
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 1062 length of data axis
NAXIS2: 1026 length of data axis
CTIME: 1690919976 exposure start (seconds since 1.1.1970)
USEC: 825254 exposure start micro seconds
JD: 2460158.33300111 Modified Julian Date
DATE-OBS: '2023-08-01T19:59:36.825' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 60315 observation id
IMGID: 10 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'C0' camera name
MOONDIST: 53.8590011903949 angular distance to between observation and the
MOONRA: 313.720074977058 lunar RA
MOONDEC: -22.4972977022576 lunar DEC
MOONPHA: 2.76312499898233 moon phase
MOONALT: -3.72508709302014 lunar altitude
MOONAZ: 293.683228507227 lunar azimuth
EXPOSURE: 20.0 exposure length in seconds
EXPTIME: 20.0 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 3 filter=DF D 5 filter=DF D 10 filter=DF D 20 filter=DF D 30 filter=DF D 45 filter=DF D 60 filter=DF D 90 filter=DF D 120 filter=DF D 180' script used to take th
SCR_COMM: '' comment recorded for this script
COMM_NUM: 0 comment order within current script
CCD_TYPE: 'G2-1000BI' camera type
CCD_SER: 'G2EV01000-0259' camera serial number
CCD_CHIP: 'CCD47-10' 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: 33.0499 detector air temperature
CCD_TEMP: -19.85658 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 42525 [%] utilization of cooling power
GAIN: 1167 [e-ADU] gain
PRODUCT_ID: 2596 camera product identification
SHIFT: 0 shift (for partial, not cleared readout)
NCLEARS: 0 Number of CCD clears before exposure
RDOUTM: 'LOW NOISE' camera mode
OBJECT: 'Dark frames' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
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: 354.165825 original position (epoch) RA
ORIDEC: 13.324132 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: 354.165825 telescope FOV center position (J2000) - with of
OBJDEC: 13.5199653333335 telescope FOV center position (J2000) - with of
TARRA: 354.473011447016 target position with computed corrections (prec
TARDEC: 13.6542734650153 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: 122.1025 mount position (from sensors, sky coordinates)
TELDEC: 89.5280555555556 mount position (from sensors, sky coordinates)
JD_HELIO: 2460158.33131417 heliocentric JD
TEL_ALT: 28.60780587515 horizontal telescope coordinates altitude
TEL_AZ: 179.495010847857 horizontal telescope coordinates azimuth
PARKTIME: 1690871713.3884 Time of last mount park
AIRMASS: 2.08385090219838 Airmass of target location
HA: 110.05136478427 Location hour angle
LST: 232.15386478427 Local Sidereal Time
MOVE_NUM: 2901 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: 299.879166666667 telescope local time
FLIP: 'East' telescope flip
GSTAT: '5' low-level status as returned by mount
MNT_INFO: 1690919971.29662 time when mount informations were collected
SUN_ALT: -0.38053090755379 solar altitude
SUN_AZ: 110.875120058662 solar azimuth
WEATHER.NEXT_GOOD_WEATHER: 1689975405.0 date and time of next good we
WEATHER.UPDATE_TIME: 1690919941.0 time of last update of device statu
WEATHER.GOOD_WEATHER: True weather quality as set by external script
WEATHER.RAIN: False Rain
WEATHER.TEMPERATURE: 22.46 Temperature, degrees
WEATHER.WINDSPEED: 0.997222222222 Wind speed, m/s
WEATHER.HUMIDITY: 21.59 Humidity
WEATHER.PRESSURE: 791.76 Pressure
WEATHER.DUST: 12.2267356449 Dust concentration, ug/m^3
FOC_TYPE: 'OPTEC_TCF' focuser type
FOC_POS: 2722.0 focuser position
FOC_TAR: 2721.21850585938 focuser target position
FOC_DEF: 2721.21843687 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: 25.2 focuser temperature
CAM_FILT: 0 filter used for image
AVERAGE: 493.281166139874 average value of image
STDEV: 12.7778668893959 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 354.165825 reference value on 1st axis
CRVAL2T: 13.5199653333335 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
DATASEC: '[1:1056,3:1026]' good data section
FILTER: 'DF' camera filter as string
DATE: '2023-08-01T20:00:02.369' creation date
CHECKSUM: 'GHAdIE1aGE8aGE8a' HDU checksum updated 2024-12-15T09:13:29
DATASUM: '784691078' data unit checksum updated 2024-12-15T09:13:29