Image 4601924

Full-size image - Raw image - Download FITS - Processed FITS
Background - FWHM - WCS - Filters - Zero point
Id:4601924
Filename: /mnt/data0/cta-n/2021/20210829/darks/WF0/20210830063059-326-RA.fits
Time:2021-08-30 06:30:59 UT
Night:20210829
Site:cta-n
CCD:WF0 / 6132
Type:dark
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:3.0 s
Filter:B
Target:2 / flat target
RA:0.0
Dec:0.0
Alt / Az:57.6745902111 78.2429517941
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: 1630305059 exposure start (seconds since 1.1.1970)
USEC: 326033 exposure start micro seconds
JD: 2459456.77142724 Modified Julian Date
DATE-OBS: '2021-08-30T06:30:59.326' start of exposure
TARGET: 2 target id
TARSEL: 2 selector target id
TARTYPE: 'f' target type
OBSID: 36224 observation id
IMGID: 32 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'WF0' camera name
MOONDIST: 34.8575212760151 angular distance to between observation and the
MOONRA: 64.6208744711924 lunar RA
MOONDEC: 21.441634749756 lunar DEC
MOONPHA: 49.7314740075244 moon phase
MOONALT: 80.839930780816 lunar altitude
MOONAZ: 321.679161062197 lunar azimuth
EXPOSURE: 3.0 exposure length in seconds
EXPTIME: 3.0 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: 'exe /etc/rts2/flat-WF0.py' 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
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: 25.74389 detector air temperature
CCD_TEMP: -19.90273 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.76 [%] utilization of cooling power
VOLTAGE: 11.81875 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
PRODUCT_ID: 6132 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: 'flat target' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
WEATHER.NEXT_GOOD_WEATHER: 1629482605.0 date and time of next good we
WEATHER.UPDATE_TIME: 1630305001.0 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: 13.25 temperature as set by external script
WEATHER.WINDSPEED: 0.747222222222 wind speed as set by external scri
WEATHER.HUMIDITY: 37.58 humidity as set by external script
WEATHER.PRESSURE: 789.29 pressure as set by external script
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 2242.0 focuser position
FOC_TAR: 2241.150390625 focuser target position
FOC_DEF: 2271.1503006 default target value
FOC_FILTEROFF: -30.0 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: 28.7705555555556 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: 24.767754 original position (epoch) RA
ORIDEC: 17.957842 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: 0.06250000000005 object offset DEC
OBJRA: 24.767754 telescope FOV center position (J2000) - with of
OBJDEC: 18.020342 telescope FOV center position (J2000) - with of
TARRA: 25.0685471555746 target position with computed corrections (prec
TARDEC: 18.1327948163897 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: 25.06625 mount position (from sensors, sky coordinates)
TELDEC: 18.1319444444444 mount position (from sensors, sky coordinates)
JD_HELIO: 2459456.77501613 heliocentric JD
TEL_ALT: 57.6745902111169 horizontal telescope coordinates altitude
TEL_AZ: 78.2429517941053 horizontal telescope coordinates azimuth
PARKTIME: 1630219837.49981 Time of last mount park
AIRMASS: 1.18308193622136 Airmass of target location
HA: 33.4265898099691 Location hour angle
LST: 58.4928398099692 Local Sidereal Time
MOVE_NUM: 3952 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: 97.7079166666667 telescope local time
FLIP: 'East' telescope flip
GSTAT: '0' low-level status as returned by mount
MNT_INFO: 1630305051.31399 time when mount informations were collected
SUN_ALT: -4.31572144538009 solar altitude
SUN_AZ: 257.255927192019 solar azimuth
UPS.NEXT_GOOD_WEATHER: 1629483695.0 date and time of next good weathe
CAM_FILT: 0 filter used for image
AVERAGE: 536.734498156007 average value of image
STDEV: 19.1837090044953 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 24.767754 reference value on 1st axis
CRVAL2T: 18.020342 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: '2021-08-30T06:31:13.368' creation date
CHECKSUM: 'RTToRQSlRQSlRQSl' HDU checksum updated 2022-10-23T12:52:40
DATASUM: '1982250162' data unit checksum updated 2022-10-23T12:52:40