Image 5972905

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Background - FWHM - WCS - Filters - Zero point
Id:5972905
Filename: /mnt/data3/cta-n/2023/20230401/skyflats/WF0/20230401195103-354-RA.fits
Dark: calibrations/cta-n/masterdarks/dark_cta-n_WF0_6149_20210928_1x1_4096x4096_2.0.fits
Time:2023-04-01 19:51:03 UT
Night:20230401
Site:cta-n
CCD:WF0 / 6149
Type:flat
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:2.0 s
Filter:V
Target:2 / flat target
RA:0.0
Dec:0.0
Alt / Az:62.5209917704 278.917862016
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 4148 length of data axis
NAXIS2: 4124 length of data axis
CTIME: 1680378663 exposure start (seconds since 1.1.1970)
USEC: 354539 exposure start micro seconds
JD: 2460036.32710628 Modified Julian Date
DATE-OBS: '2023-04-01T19:51:03.354' start of exposure
TARGET: 2 target id
TARSEL: 2 selector target id
TARTYPE: 'f' target type
OBSID: 55136 observation id
IMGID: 71 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'WF0' camera name
MOONDIST: 4.60235867224175 angular distance to between observation and the
MOONRA: 146.1851918792 lunar RA
MOONDEC: 18.8266722222721 lunar DEC
MOONPHA: 27.4722228324088 moon phase
MOONALT: 55.4000358482601 lunar altitude
MOONAZ: 278.47551799826 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: 2 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: 23.15768 detector air temperature
CCD_TEMP: -19.91152 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.734 [%] utilization of cooling power
VOLTAGE: 11.18652 [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: 'flat target' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 1060.0 focuser position
FOC_TAR: 1060.0 focuser target position
FOC_DEF: 1060.0 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
UPS.next_good_weather: 1673879454.0 date and time of next good weathe
WEATHER.next_good_weather: 1680373021.0 date and time of next good we
WEATHER.update_time: 1680378662.0 time of last update of device statu
WEATHER.good_weather: True weather quality as set by external script
WEATHER.rain: False Rain
WEATHER.temperature: 13.31 Temperature, degrees
WEATHER.windspeed: 7.51111111111 Wind speed, m/s
WEATHER.humidity: 16.86 Humidity
WEATHER.pressure: 791.28 Pressure
WEATHER.dust: 37.5985137098 Dust concentration, ug/m^3
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: 138.757122 original position (epoch) RA
ORIDEC: 21.36271 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: 0.0958333333334099 object offset DEC
OBJRA: 138.757122 telescope FOV center position (J2000) - with of
OBJDEC: 21.4585433333334 telescope FOV center position (J2000) - with of
TARRA: 139.083218071798 target position with computed corrections (prec
TARDEC: 21.3650796518977 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: 139.0825 mount position (from sensors, sky coordinates)
TELDEC: 21.3647222222222 mount position (from sensors, sky coordinates)
JD_HELIO: 2460036.33029824 heliocentric JD
TEL_ALT: 62.5209917704112 horizontal telescope coordinates altitude
TEL_AZ: 278.917862015729 horizontal telescope coordinates azimuth
PARKTIME: 1680160029.77458 Time of last mount park
AIRMASS: 1.12696411958746 Airmass of target location
HA: 330.693616339797 Location hour angle
LST: 109.776116339797 Local Sidereal Time
MOVE_NUM: 6454 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: 297.75625 telescope local time
FLIP: 'West' telescope flip
GSTAT: '0' low-level status as returned by mount
MNT_INFO: 1680378661.98321 time when mount informations were collected
SUN_ALT: -5.83340387327486 solar altitude
SUN_AZ: 98.4567143943231 solar azimuth
CAM_FILT: 1 filter used for image
AVERAGE: 22684.7326415942 average value of image
STDEV: 7627.45095510683 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 138.757122 reference value on 1st axis
CRVAL2T: 21.4585433333334 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: 'V' camera filter as string
DATE: '2023-04-01T19:51:15.741' creation date