Image 4730140

Full-size image - Raw image - Download FITS - Processed FITS
Background - FWHM - WCS - Filters - Zero point
Id:4730140
Filename: calibrations/cta-n/masterflats/masterflat_cta-n_WF0_6149_20210928_1x1_4096x4096_V.fits
Time:2021-09-28 13:11:34 UT
Night:20210928
Site:cta-n
CCD:WF0 / 6149
Type:masterflat
Image size: 4096x4096
Binning: 1x1
Exposure:2.0 s
Filter:V
Target:2 / flat target
RA:0.0
Dec:0.0
Alt / Az:58.5736711738414 89.9240258538075
BITPIX: -64 array data type
NAXIS: 2 number of array dimensions
NAXIS1: 4096
NAXIS2: 4096
CTIME: 1632897759 exposure start (seconds since 1.1.1970)
USEC: 785480 exposure start micro seconds
JD: 2459486.77926888 Modified Julian Date
DATE-OBS: '2021-09-28T13:11:34.666667' start of exposure
TARGET: 2 target id
TARSEL: 2 selector target id
TARTYPE: 'f' target type
OBSID: 36874 observation id
IMGID: 18 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'WF0' camera name
MOONDIST: 37.3588276247258 angular distance to between observation and the
MOONRA: 99.1468024962078 lunar RA
MOONDEC: 26.1223475768102 lunar DEC
MOONPHA: 51.1216025557882 moon phase
MOONALT: 82.3280918990755 lunar altitude
MOONAZ: 288.213735291459 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: 'masterflat' 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: 20.34294 detector air temperature
CCD_TEMP: -19.91372 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.679 [%] utilization of cooling power
VOLTAGE: 11.20644 [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
WEATHER.next_good_weather: 1632846963.0 date and time of next good we
WEATHER.update_time: 1632897722.0 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: 12.4 temperature as set by external script
WEATHER.windspeed: 5.27777777778 wind speed as set by external scrip
WEATHER.humidity: 54.95 humidity as set by external script
WEATHER.pressure: 792.55 pressure as set by external script
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 2271.0 focuser position
FOC_TAR: 2270.37084960938 focuser target position
FOC_DEF: 2270.37074148 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
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: 55.695509 original position (epoch) RA
ORIDEC: 24.102681 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: 0.03750000000003 object offset DEC
OBJRA: 55.695509 telescope FOV center position (J2000) - with of
OBJDEC: 24.140181 telescope FOV center position (J2000) - with of
TARRA: 56.025932372202 target position with computed corrections (prec
TARDEC: 24.2107236253766 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: 56.0245833333333 mount position (from sensors, sky coordinates)
TELDEC: 24.2108333333333 mount position (from sensors, sky coordinates)
JD_HELIO: 2459486.78308465 heliocentric JD
TEL_ALT: 58.5736711738414 horizontal telescope coordinates altitude
TEL_AZ: 89.9240258538075 horizontal telescope coordinates azimuth
PARKTIME: -9.1191291391491e-36 Time of last mount park
AIRMASS: 1.17161410871483 Airmass of target location
HA: 34.8681778639865 Location hour angle
LST: 90.8927611973198 Local Sidereal Time
MOVE_NUM: 362 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: 100.534583333333 telescope local time
FLIP: 'East' telescope flip
GSTAT: '0' low-level status as returned by mount
MNT_INFO: 1632897728.83169 time when mount informations were collected
SUN_ALT: -5.12272820392481 solar altitude
SUN_AZ: 269.92932583835 solar azimuth
UPS.next_good_weather: 1632846963.0 date and time of next good weathe
CAM_FILT: 1 filter used for image
AVERAGE: 23445.5371901619 average value of image
STDEV: 7887.93030960603 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 55.695509 reference value on 1st axis
CRVAL2T: 24.140181 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
FILTER: 'V' camera filter as string
DATE: '2022-10-11T13:33:06.987116' creation date
BIASAVG: 544.4322033898305
DATASEC0: '[34:4129,12:4107]'
LINEARIZ: 1