Image 4011451

Full-size image - Raw image - Download FITS - Processed FITS
Background - FWHM - WCS - Filters - Zero point
Id:4011451
Filename: /mnt/data0/cta-n/2020/20200829/skyflats/WF0/20200830062105-823-RA.fits
Dark: calibrations/cta-n/masterdarks/dark_cta-n_WF0_6149_20181104_1x1_4096x4096_3.0.fits
Time:2020-08-30 06:21:05 UT
Night:20200829
Site:cta-n
CCD:WF0 / 6149
Type:flat
Image size: 4148x4124 (4096x4096 usable)
Binning: 1x1
Exposure:3.0 s
Filter:N
Target:2 / flat target
RA:0.0
Dec:0.0
Alt / Az:59.7963181047 76.3087175616
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: 1598768465 exposure start (seconds since 1.1.1970)
USEC: 823830 exposure start micro seconds
JD: 2459091.76462712 Modified Julian Date
DATE-OBS: '2020-08-30T06:21:05.823' start of exposure
TARGET: 2 target id
TARSEL: 2 selector target id
TARTYPE: 'f' target type
OBSID: 24083 observation id
IMGID: 15 image id
PROC: 0 procesing status; info in DB
CCD_NAME: 'WF0' camera name
MOONDIST: 87.8825363128856 angular distance to between observation and the
MOONRA: 305.794112625603 lunar RA
MOONDEC: -22.4494029276318 lunar DEC
MOONPHA: 19.0708879985307 moon phase
MOONALT: -27.8674619354395 lunar altitude
MOONAZ: 78.315110995151 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: 'G4KF16000-0614' 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: 19.63102 detector air temperature
CCD_TEMP: -20.0104 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.7 [%] utilization of cooling power
VOLTAGE: 10.9213 [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: 2862.0 focuser position
FOC_TAR: 2862.86181640625 focuser target position
FOC_DEF: 2862.86172345 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
WEATHER.NEXT_GOOD_WEATHER: 1598748302.0 date and time of next good we
WEATHER.UPDATE_TIME: 1598768462.0 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: 10.97 temperature as set by external script
WEATHER.WINDSPEED: 4.18888888889 wind speed as set by external scrip
WEATHER.HUMIDITY: 19.71 humidity as set by external script
WEATHER.PRESSURE: 783.76 pressure as set by external script
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: 25.035578 original position (epoch) RA
ORIDEC: 18.006962 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: 0.0416666666667 object offset DEC
OBJRA: 25.035578 telescope FOV center position (J2000) - with of
OBJDEC: 18.0486286666667 telescope FOV center position (J2000) - with of
TARRA: 25.3223424574562 target position with computed corrections (prec
TARDEC: 18.1552097526639 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: 25.3195833333334 mount position (from sensors, sky coordinates)
TELDEC: 18.155 mount position (from sensors, sky coordinates)
JD_HELIO: 2459091.76814217 heliocentric JD
TEL_ALT: 59.7963181046987 horizontal telescope coordinates altitude
TEL_AZ: 76.3087175615673 horizontal telescope coordinates azimuth
PARKTIME: 1598747463.61062 Time of last mount park
AIRMASS: 1.15682176850339 Airmass of target location
HA: 30.9569374441055 Location hour angle
LST: 56.2765207774389 Local Sidereal Time
MOVE_NUM: 12784 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: 95.25 telescope local time
FLIP: 'East' telescope flip
GSTAT: '0' low-level status as returned by mount
MNT_INFO: 1598768463.78371 time when mount informations were collected
SUN_ALT: -6.47002343522328 solar altitude
SUN_AZ: 256.096898644083 solar azimuth
CAM_FILT: 4 filter used for image
AVERAGE: 24180.3120633201 average value of image
STDEV: 7936.14513002663 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 25.035578 reference value on 1st axis
CRVAL2T: 18.0486286666667 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: 'N' camera filter as string
DATE: '2020-08-30T06:21:33.471' creation date
CHECKSUM: '9hX7AeX43eX49eX4' HDU checksum updated 2022-10-06T22:20:42
DATASUM: '3687834634' data unit checksum updated 2022-10-06T22:20:42