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Info:Filter: [SII]Obs Date: 2026-02-13T01:55:47 RA: 03:11:07.21 Dec: 37:54:25.79 Observer: chultun Exposure Time: 2.98 |
| Keyword | Value | Comment |
|---|---|---|
| SIMPLE | True | conforms to FITS standard |
| BITPIX | -64 | array data type |
| NAXIS | 2 | number of array dimensions |
| NAXIS1 | 2048 | |
| NAXIS2 | 2064 | |
| EXTEND | True | |
| DEWTEM1 | -20.0 | dewar temperature (C) |
| DETECTOR | ProLine_PL230 | |
| DOWNTIME | 10 | time since last read (seconds) |
| XBIN | 1 | |
| YBIN | 1 | |
| PIXSIZE1 | 15 | pixel size for axis 1 (microns) |
| PIXSIZE2 | 15 | pixel size for axis 2 (microns) |
| GAIN | 0.0 | e-/ADU |
| OBSERVAT | StoneEdge | |
| TELESCOP | 0.5meter | |
| OBSLONG | -122.504 | east longitude in degrees |
| OBSLAT | 38.2887 | latitude in degrees |
| ELEVATIO | 60 | elevation in meters |
| TELSCALE | 51.6 | arc-seconds/mm |
| ROTATOR | 84.1 | degrees |
| OBSERVER | chultun | |
| RA | 03:11:07.21 | |
| DEC | 37:54:25.79 | |
| EQUINOX | 2000 | |
| OVER | False | |
| HA | 00:05:26 | |
| AIRMASS | 1 | secant z |
| RAWRA | 03:12:51.14 | for pointing |
| RAWDEC | 37:38:48.04 | for pointing |
| DOMEAZ | 294.9 | degrees |
| TRAKHA | 0 | arc-sec/second |
| TRAKDEC | 0 | arc-sec/second |
| TELFOCUS | 5000 | mm |
| HUMIDITY | 72 | RH percent |
| WINDSPEE | 5 | m/s |
| WINDDIR | 285 | true azimuth in degrees |
| OAT | 14 | outside air temperature (C) |
| BAROM | 1014.6 | barometric pressure (mBar) |
| AMBIENT | 15.2625 | Lower truss North (C) |
| PRIMARY | 16.7875 | Primary mirror cell (C) |
| SECONDAR | 18.575 | Outside ring (C) |
| FILTER | [SII] | |
| SLIT | open | |
| MIRROR | open | |
| CRPIX1 | 1024 | |
| CRPIX2 | 1032 | |
| CTYPE1 | RA---TAN | |
| CTYPE2 | DEC--TAN | |
| CRVAL1 | 47.780042 | |
| CRVAL2 | 37.907164 | |
| PC1_1 | -2.209611e-05 | |
| PC1_2 | -0.0002138197 | |
| PC2_2 | -2.209611e-05 | |
| PC2_1 | 0.0002138197 | |
| EXPTIME | 2.98 | ACTUAL exposure time (seconds) |
| SHUTTER | open | camera shutter |
| TIMESYS | UTC approximate | |
| DATE-OBS | 2026-02-13T01:55:47 | |
| UT | 01:55:47 | shutter opening time |
| MJD-OBS | 61084.08040509 | MJD of observation start |
| MJDHDR | 61084.08047299 | MJD of header creation |
| LSTHDR | 03:18:16 | LST of header creation |
| IMAGETYP | MFLAT | |
| NOTES | 1st HDU: 2D mflat image | |
| NOTES2 | Table HDU: statistical and environmental data | |
| XTIMEMIN | 2.98 | Minimum exposure in the set of flats |
| XTIMEMAX | 4.28 | Maximum exposure in the set of flats |
| MEDMINH | 27777.346875 | Minimum high gain median in the set of flats |
| MEDMAXH | 29223.065625 | Maximum high gain median in the set of flats |
| DSTDMEAN | 0.008616757773730993 | Mean std in the set of difference images |
| DSTDPCNT | 117.36913605893947 | (dstdmax-dstdmin)*100.0/dstdmean |
| REDUCEBY | make_flat_CCD_auto_57 | Reduction software |
| NUMFILES | 8 | Number of RAW exposures in input datasets |
| HOTPXLIM | 99.5 | Upper limit for unmasked dark currents |
| PIPEVERS | 1_3_0beta3 | Pipeline Version |
| FILENAME | mflat_sii_bin1DR_20260213_015558-015754_chultun_seo_MFLAT.fits | |
| DATE | 2026-03-24T16:41:10 | |
| EXTNAME | PRIMARY HEADER | ID of the HDU |