Image 4774768

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Background - FWHM - WCS - Filters - Zero point
Id:4774768
Filename: /mnt/data2/cta-s1/2021/20211211/darks/WF0/20211212094517-514-RA.fits
Time:2021-12-12 09:45:17 UT
Night:20211211
Site:cta-s1
CCD:WF0 / 6204
Type:dark
Image size: 4144x4127 (4096x4096 usable)
Binning: 1x1
Exposure:2.0 s
Filter:B
Target:1 / Dark frames
RA:0.0
Dec:0.0
Alt / Az:53.9301328966194 112.198741247434
BITPIX: 16 unsigned short data
NAXIS: 2 number of axes
NAXIS1: 4144 length of data axis
NAXIS2: 4127 length of data axis
CTIME: 1639302317 exposure start (seconds since 1.1.1970)
USEC: 514974 exposure start micro seconds
JD: 2459560.90592017 Modified Julian Date
DATE-OBS: '2021-12-12T09:45:17.514' start of exposure
TARGET: 1 target id
TARSEL: 1 selector target id
TARTYPE: 'd' target type
OBSID: 21994 observation id
IMGID: 13 image id
PROC: 0 image processing status
CCD_NAME: 'WF0' camera name
MOONDIST: 115.969866589752 angular distance to between observation and the
MOONRA: 7.20665228687424 lunar RA
MOONDEC: -1.61690739771056 lunar DEC
MOONPHA: 41.2260275339319 moon phase
MOONALT: -50.8568006402155 lunar altitude
MOONAZ: 52.2260585489271 lunar azimuth
EXPOSURE: 2.0 exposure length in seconds
EXPTIME: 2.0 exposure length in seconds
INSTRUME: 'CTA-S1 FRAM' name of the data acqusition instrument
TELESCOP: 'CTA-S1' name of the data acqusition telescope
ORIGIN: 'FZU' organisation responsible for data
FOC_NAME: 'FWF' name of focuser
SCRIPREP: 1 script loop count
SCRIPT: 'filter=B D 1 filter=B D 2 filter=B D 3 filter=B D 5 filter=B D 10 filter=B D 20 filter=B D 30 filter=B D 60 filter=B D 120 filter=B D 180' 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: 'G4KF16000-0606' 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: 18.00282 detector air temperature
CCD_TEMP: -20.19717 CCD temperature
COOLING: True camera cooling start/stop
CCD_SET: -20.0 CCD set temperature
TEMPPWR: 0.733 [%] utilization of cooling power
VOLTAGE: 11.60801 [V] current voltage of the camera power supply
GAIN: 1.6 [e-ADU] gain
product_id: 6204 camera product identification
PREFLASH: 2.0 Duration of CCD pre-exposure preflash
NCLEARS: 4 Number of CCD pre-exposure clears after preflas
RDOUTM: 'Low Noise' camera mode
OBJECT: 'Dark frames' target object name
PI: '' project investigator of the target
PROGRAM: '' target program name
FOC_TYPE: 'GCUSB-nStep' focuser type
FOC_POS: 585.0 focuser position
FOC_TAR: 585.478942871094 focuser target position
FOC_DEF: 605.478957916 default target value
FOC_FILTEROFF: -20.0 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: 1639161995.0 date and time of next good we
PARANAL.next_good_weather: 1639205102.0 date and time of next good we
PARANAL.update_time: 1639302302.0 time of last update of weather stat
PARANAL.good_weather: True weather quality as set by external script
PARANAL.rain: False rain condition as set by external script
PARANAL.temperature: 8.77 temperature as set by external script
PARANAL.windspeed: 12.6 wind speed as set by external script
PARANAL.humidity: 58.0 humidity as set by external script
PARANAL.pressure: 741.5 pressure as set by external script
MNT_NAME: 'T0' name of mount
LATITUDE: -24.63368 observatory latitude
LONGITUD: -70.3769 observatory longitude
ALTITUDE: 2400.0 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: 123.415706 original position (epoch) RA
ORIDEC: -7.939167 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: 0.2666666666672 object offset DEC
DRATERA: 0.0 [deg/hour] differential tracking rate RA
DRATEDEC: 0.0 [deg/hour] differential tracking rate DEC
TRACKING: 'on' telescope tracking
SKYSPDRA: -9.1191291391491e-36 [deg/hour] tracking speeds vector (in RA/DEC) R
SKYSPDDEC: -9.1191291391491e-36 [deg/hour] tracking speeds vector (i
OBJRA: 123.415706 telescope FOV center position (J2000) - with of
OBJDEC: -7.6725003333328 telescope FOV center position (J2000) - with of
TAR_TELRA: 303.415706 target position (OBJ) in telescope coordinates
TAR_TELDEC: -172.327499666667 target position (OBJ) in telescope coo
TARRA: 123.690133185657 target position with computed corrections (prec
TARDEC: -7.74164014743567 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: 123.690359817687 mount position (from sensors, sky coordinates)
TELDEC: -7.74165457941814 mount position (from sensors, sky coordinates)
JD_HELIO: 2459560.90987023 heliocentric JD
U_TELRA: 303.690359817687 mount position (from sensors, raw coordinates,
U_TELDEC: -172.258345420582 mount position (from sensors, raw coordinates,
TEL_ALT: 53.9301328966194 horizontal telescope coordinates altitude
TEL_AZ: 112.198741247434 horizontal telescope coordinates azimuth
mpec_difRA: 0.0 [degrees/hour] calculated MPEC differential tra
mpec_difDEC: 0.0 [degrees/hour] calculated MPEC differential tra
PARKTIME: 1639216116.5658 Time of last mount park
AIRMASS: 1.23672825165363 Airmass of target location
HA: 33.3773102066316 Location hour angle
LST: 157.067670024319 Local Sidereal Time
MOVE_NUM: 4231 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
AXRA: -1658635 RA axis count
AXRARAW: -3836190 raw RA axis count
AXDEC: -2444851 DEC axis count
HR_RA: 19141006 [???] RA axis tracking rate
BR_RA: 19141006 [???] RA axis base rate
BR_DEC: 0 [???] DEC axis base rate
MNT_INFO: 1639302271.50333 time when mount informations were collected
SUN_ALT: -0.730395957835497 solar altitude
SUN_AZ: 295.925129793604 solar azimuth
CAM_FILT: 0 filter used for image
AVERAGE: 555.595592121943 average value of image
STDEV: 17.8346148837638 standard deviation value of image
CTYPE1T: 'RA---TAN' WCS transformation type
CTYPE2T: 'DEC--TAN' WCS transformation type
CRVAL1T: 123.415706 reference value on 1st axis
CRVAL2T: -7.6725003333328 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: '[31:4126,12:4107]' good data section
FILTER: 'B' camera filter as string
DATE: '2021-12-12T09:45:29.345' creation date