Image 4314551
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Background - FWHM - WCS - Filters - Zero point
Background - FWHM - WCS - Filters - Zero point
| Id: | 4314551 |
| Filename: | /mnt/data0/cta-n/2021/20210412/darks/WF0/20210413064432-980-RA.fits |
| Time: | 2021-04-13 06:44:32 UT |
| Night: | 20210412 |
| Site: | cta-n |
| CCD: | WF0 / 6132 |
| Type: | dark |
| Image size: | 4148x4124 (4096x4096 usable) |
| Binning: | 1x1 |
| Exposure: | 20.0 s |
| Filter: | B |
| Target: | 1 / Dark frames |
| RA: | 0.0 |
| Dec: | 0.0 |
| Alt / Az: | 28.5745641242216 179.37614118927 |
Full FITS header
| BITPIX: | 16 | unsigned short data |
| NAXIS: | 2 | number of axes |
| NAXIS1: | 4148 | length of data axis |
| NAXIS2: | 4124 | length of data axis |
| CTIME: | 1618296272 | exposure start (seconds since 1.1.1970) |
| USEC: | 980839 | exposure start micro seconds |
| JD: | 2459317.78089647 | Modified Julian Date |
| DATE-OBS: | '2021-04-13T06:44:32.980' | start of exposure |
| TARGET: | 1 | target id |
| TARSEL: | 1 | selector target id |
| TARTYPE: | 'd' | target type |
| OBSID: | 32270 | observation id |
| IMGID: | 34 | image id |
| PROC: | 0 | procesing status; info in DB |
| CCD_NAME: | 'WF0' | camera name |
| MOONDIST: | 136.307160988807 | angular distance to between observation and the |
| MOONRA: | 34.8304124954851 | lunar RA |
| MOONDEC: | 10.7758810701178 | lunar DEC |
| MOONPHA: | 92.6461187029227 | moon phase |
| MOONALT: | -11.7262062435583 | lunar altitude |
| MOONAZ: | 250.624339974313 | lunar azimuth |
| EXPOSURE: | 20.0 | exposure length in seconds |
| EXPTIME: | 20.0 | 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: | '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: | 'G4KF16000-0613' | 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: | 18.62026 | detector air temperature |
| CCD_TEMP: | -19.89614 | CCD temperature |
| COOLING: | True | camera cooling start/stop |
| CCD_SET: | -20.0 | CCD set temperature |
| TEMPPWR: | 0.621 | [%] utilization of cooling power |
| VOLTAGE: | 11.8265 | [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: | 'Dark frames' | target object name |
| PI: | '' | project investigator of the target |
| PROGRAM: | '' | target program name |
| FOC_TYPE: | 'GCUSB-nStep' | focuser type |
| FOC_POS: | 2170.0 | focuser position |
| FOC_TAR: | 2169.90991210938 | focuser target position |
| FOC_DEF: | 2199.90981964 | 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 |
| WEATHER.NEXT_GOOD_WEATHER: | 1618296527.0 | date and time of next good we |
| WEATHER.UPDATE_TIME: | 1618296242.0 | time of last update of weather stat |
| WEATHER.GOOD_WEATHER: | False | weather quality as set by external script |
| WEATHER.RAIN: | False | rain condition as set by external script |
| WEATHER.TEMPERATURE: | 7.01 | temperature as set by external script |
| WEATHER.WINDSPEED: | 2.18888888889 | wind speed as set by external scrip |
| WEATHER.HUMIDITY: | 93.37 | humidity as set by external script |
| WEATHER.PRESSURE: | 788.57 | pressure as set by external script |
| UPS.NEXT_GOOD_WEATHER: | 1618115065.0 | date and time of next good weathe |
| 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: | 247.791276 | original position (epoch) RA |
| ORIDEC: | 17.959419 | 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: | 0.0 | object offset DEC |
| OBJRA: | 247.791276 | telescope FOV center position (J2000) - with of |
| OBJDEC: | 18.1635856666668 | telescope FOV center position (J2000) - with of |
| TARRA: | 248.035699953256 | target position with computed corrections (prec |
| TARDEC: | 18.119201326508 | 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: | 175.354166666667 | mount position (from sensors, sky coordinates) |
| TELDEC: | 89.4186111111111 | mount position (from sensors, sky coordinates) |
| JD_HELIO: | 2459317.7801835 | heliocentric JD |
| TEL_ALT: | 28.5745641242216 | horizontal telescope coordinates altitude |
| TEL_AZ: | 179.37614118927 | horizontal telescope coordinates azimuth |
| PARKTIME: | 1618295463.06075 | Time of last mount park |
| AIRMASS: | 2.08605754137585 | Airmass of target location |
| HA: | 109.55132751878 | Location hour angle |
| LST: | 284.905494185447 | Local Sidereal Time |
| MOVE_NUM: | 2335 | 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: | 101.117083333333 | telescope local time |
| FLIP: | 'East' | telescope flip |
| GSTAT: | '5' | low-level status as returned by mount |
| MNT_INFO: | 1618296269.4553 | time when mount informations were collected |
| SUN_ALT: | -1.3789114721395 | solar altitude |
| SUN_AZ: | 258.89702399265 | solar azimuth |
| CAM_FILT: | 0 | filter used for image |
| AVERAGE: | 539.60196656774 | average value of image |
| STDEV: | 24.0400084380176 | standard deviation value of image |
| CTYPE1T: | 'RA---TAN' | WCS transformation type |
| CTYPE2T: | 'DEC--TAN' | WCS transformation type |
| CRVAL1T: | 247.791276 | reference value on 1st axis |
| CRVAL2T: | 18.1635856666668 | 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: | '2021-04-13T06:45:03.998' | creation date |
| CHECKSUM: | '5ceHAbZG7bdGAbZG' | HDU checksum updated 2022-10-23T04:23:03 |
| DATASUM: | '2994382989' | data unit checksum updated 2022-10-23T04:23:03 |