Image 4563212

Full-size image - Raw image - Download FITS - Processed FITS
Background - FWHM - WCS - Filters - Zero point
Id:4563212
Filename: /mnt/data0/cta-n/2021/20210811/skyflats/WF0/20210812061931-843-RA.fits
Dark: calibrations/cta-n/masterdarks/dark_cta-n_WF0_6132_20210225_1x1_4096x4096_2.0.fits
Time:2021-08-12 06:19:31 UT
Night:20210811
Site:cta-n
CCD:WF0 / 6132
Type:flat
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:2.0 s
Filter:B
Target:2 / flat target
RA:0.0
Dec:0.0
Alt / Az:57.9889951543 71.4649514093
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: 1628749171 exposure start (seconds since 1.1.1970)
USEC: 843131 exposure start micro seconds
JD: 2459438.7635116 Modified Julian Date
DATE-OBS: '2021-08-12T06:19:31.843' start of exposure
TARGET: 2 target id
TARSEL: 2 selector target id
TARTYPE: 'f' target type
OBSID: 35731 observation id
IMGID: 28 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'WF0' camera name
MOONDIST: 162.488254804071 angular distance to between observation and the
MOONRA: 186.849129076531 lunar RA
MOONDEC: 1.88749583214785 lunar DEC
MOONPHA: 74.2536522604304 moon phase
MOONALT: -47.2752759589289 lunar altitude
MOONAZ: 229.48130871557 lunar azimuth
EXPOSURE: 2.0 exposure length in seconds
EXPTIME: 2.0 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: 'flat' 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: 0 shutter state (0 - opened, 1 - closed)
CCD_AIR: 19.03555 detector air temperature
CCD_TEMP: -20.07412 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.727 [%] utilization of cooling power
VOLTAGE: 11.84834 [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: 1628413382.0 date and time of next good we
WEATHER.UPDATE_TIME: 1628749141.0 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: 8.93 temperature as set by external script
WEATHER.WINDSPEED: 0.869444444444 wind speed as set by external scri
WEATHER.HUMIDITY: 27.63 humidity as set by external script
WEATHER.PRESSURE: 788.51 pressure as set by external script
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 2227.0 focuser position
FOC_TAR: 2226.25244140625 focuser target position
FOC_DEF: 2256.25250501 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: 6.239166 original position (epoch) RA
ORIDEC: 14.90555 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: 0.06666666666672 object offset DEC
OBJRA: 6.239166 telescope FOV center position (J2000) - with of
OBJDEC: 14.9722166666667 telescope FOV center position (J2000) - with of
TARRA: 6.52623874391699 target position with computed corrections (prec
TARDEC: 15.0948691495638 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: 6.52458333333334 mount position (from sensors, sky coordinates)
TELDEC: 15.0947222222222 mount position (from sensors, sky coordinates)
JD_HELIO: 2459438.76705596 heliocentric JD
TEL_ALT: 57.9889951542634 horizontal telescope coordinates altitude
TEL_AZ: 71.4649514093308 horizontal telescope coordinates azimuth
PARKTIME: 1628664069.39642 Time of last mount park
AIRMASS: 1.17901328603887 Airmass of target location
HA: 31.3692717810506 Location hour angle
LST: 37.893855114384 Local Sidereal Time
MOVE_NUM: 6644 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: 94.8604166666667 telescope local time
FLIP: 'East' telescope flip
GSTAT: '0' low-level status as returned by mount
MNT_INFO: 1628749167.40285 time when mount informations were collected
SUN_ALT: -4.5999853789291 solar altitude
SUN_AZ: 250.124197283658 solar azimuth
UPS.NEXT_GOOD_WEATHER: 1627232464.0 date and time of next good weathe
CAM_FILT: 0 filter used for image
AVERAGE: 23050.690273005 average value of image
STDEV: 7695.28423899668 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 6.239166 reference value on 1st axis
CRVAL2T: 14.9722166666667 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: '2021-08-12T06:19:44.209' creation date
CHECKSUM: 'YPbHZOb9YObEYOb9' HDU checksum updated 2022-10-23T11:28:49
DATASUM: '2261860964' data unit checksum updated 2022-10-23T11:28:49