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Object: NGC_3941
Filter: r-band
Obs Date: 2025-02-08T08:15:08
RA: 11:52:55.5268
Dec: 36:59:15.3028
Bzero:8.9
Observer: simars
Exposure Time: 120

Header:

Keyword Value Comment
SIMPLE True conforms to FITS standard
BITPIX -32 array data type
NAXIS 2 number of array dimensions
NAXIS1 2048
NAXIS2 2064
EXTEND True
DEWTEM1 -20 dewar temperature (C)
DETECTOR ProLine_PL230
DOWNTIME 124 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 200.2 degrees
OBSERVER simars
RA 11:52:55.5268
DEC 36:59:15.3028
COMMENT Original key: "EQUINOX"
_QUINOX 2000
OVER False
HA -02:34:15
AIRMASS 1.16 secant z
RAWRA 11:52:52.39 for pointing
RAWDEC 36:38:02.36 for pointing
DOMEAZ 78.6 degrees
TRAKHA 15.041 arc-sec/second
TRAKDEC 0 arc-sec/second
TELFOCUS 7267 mm
AMBIENT 4.7 Lower truss North (C)
PRIMARY 5.8 Primary mirror cell (C)
SECONDAR 3.9 Outside ring (C)
CLOUD 0 cloud coverage (0-1)
FILTER r-band
SLIT open
MIRROR open
COMMENT Original key: "CRPIX1"
_RPIX1 1024
COMMENT Original key: "CRPIX2"
_RPIX2 1032
COMMENT Original key: "CTYPE1"
_TYPE1 RA---TAN
COMMENT Original key: "CTYPE2"
_TYPE2 DEC--TAN
COMMENT Original key: "CRVAL1"
_RVAL1 178.213208
COMMENT Original key: "CRVAL2"
_RVAL2 36.952611
COMMENT Original key: "PV1_1"
_V1_1 0.0002017369
COMMENT Original key: "PV1_2"
_V1_2 7.422473e-05
COMMENT Original key: "PV2_2"
_V2_2 0.0002017369
COMMENT Original key: "PV2_1"
_V2_1 -7.422473e-05
EXPTIME 120 ACTUAL exposure time (seconds)
SHUTTER open camera shutter
TIMESYS UTC approximate
DATE-OBS 2025-02-08T08:15:08
UT 08:15:08 shutter opening time
MJD-OBS 60714.34384259 MJD of observation start
MJDHDR 60714.34526164 MJD of header creation
LSTHDR 09:19:54 LST of header creation
IMAGETYP OBJECT
OBJECT NGC_3941
PRODTYPE fluxcal Product Type
PIPEVERS 1_3_0beta3 Pipeline Version
FILENAME NGC_3941_r-band_120s_bin1_250208_081508_simars_seo_1_FCAL.fits
DATE 2025-02-08T10:57:08
RHALF 2.908949461403276 Mean half-power radius of LTS stars (pixels)
RHALFSTD 0.34765743872784 std of half-power radii of LTS stars (pixels)
ELONG 1.126211059373138 Mean elongation ratio of accepted sources
ETHRESH 5.0 Extraction threshold for SEP_objects table
EXTNAME PRIMARY IMAGE ID of the HDU
HISTORY Reduced: addkeys v0.1 2025-02-08_10:56:46
HISTORY addkeys: filternames=['u-band', 'g-band', 'i-band', 'r-band', 'z-band',
HISTORY 'h-alpha', 'clear']
HISTORY addkeys: keystocopy=['OBSERVER', 'OBJECT', 'FILTER', 'GAIN', 'RA', 'DEC
HISTORY ', 'DATE-OBS']
HISTORY CONFIG: /data/scripts/pipeline/config/pipeconf_SEO.txt
HISTORY bdf: Best biasfile = meandark_h-alpha_0.001s_bin1_240403_160234-192241_c
HISTORY tkrueger_seo_MDARK.fits
HISTORY bdf: Best darkfile = meandark_h-alpha_128.0s_bin1_240403_153839-191800_c
HISTORY tkrueger_seo_MDARK.fits
HISTORY bdf: Best flat = /data/images/StoneEdge/0.5meter/2025/MastersCCD/Flat/mf
HISTORY lat_r-band_bin1DR_20240504_031909-032051_chultun_seo_MFLAT.fits
HISTORY BIAS: /data/images/StoneEdge/0.5meter/2025/MastersCCD/Bias/meandark_h-al
HISTORY pha_0.001s_bin1_240403_160234-192241_ctkrueger_seo_MDARK.fits
HISTORY DARK: /data/images/StoneEdge/0.5meter/2025/MastersCCD/Dark/meandark_h-al
HISTORY pha_128.0s_bin1_240403_153839-191800_ctkrueger_seo_MDARK.fits
HISTORY FLAT: /data/images/StoneEdge/0.5meter/2025/MastersCCD/Flat/mflat_r-band_
HISTORY bin1DR_20240504_031909-032051_chultun_seo_MFLAT.fits
HISTORY Reduced: bdf v0.1 2025-02-08_10:56:52
HISTORY bdf: reload=True
HISTORY bdf: remove_cosmics=True
HISTORY bdf: psffwhm=5.0
HISTORY bdf: fsmode=convolve
HISTORY bdf: cleantype=medmask
HISTORY bdf: biasfile=$MASTER_BDF_FOLDER/Bias/*.fits
HISTORY bdf: bkupbias=
HISTORY bdf: biasfitkeys=['NAXIS1', 'XBIN', 'DATE-OBS']
HISTORY bdf: daterange=0.5
HISTORY bdf: darkfile=$MASTER_BDF_FOLDER/Dark/*.fits
HISTORY bdf: bkupdark=
HISTORY bdf: darkfitkeys=['NAXIS1', 'XBIN', 'EXPTIME', 'DATE-OBS']
HISTORY bdf: flatfile=$MASTER_BDF_FOLDER/Flat/*.fits
HISTORY bdf: bkupflat=
HISTORY bdf: flatfitkeys=['NAXIS1', 'XBIN', 'FILTER', 'DATE-OBS']
HISTORY PipeMode = seo_server_queue_ccd
HISTORY Reduced: srcextpy v0.1 2025-02-08_10:56:54
HISTORY srcextpy: sourcetable=True
HISTORY srcextpy: sourcetableformat=csv
HISTORY srcextpy: bkg_maskthreshold=0.0
HISTORY srcextpy: bkg_wh=[16, 16]
HISTORY srcextpy: bkg_filterwh=[3, 3]
HISTORY srcextpy: bkg_fthreshold=0.0
HISTORY srcextpy: ext_thresh=5.0
HISTORY srcextpy: ext_bfactor=10.0
HISTORY srcextpy: ext_deblend=256
HISTORY srcextpy: phot_kronf=2.5
HISTORY srcextpy: save_background=True
COMMENT Original key: "END"
COMMENT
COMMENT --Start of Astrometry.net WCS solution--
COMMENT --Put in by the new-wcs program--
COMMENT
WCSAXES 2 no comment
CTYPE1 RA---TAN-SIP TAN (gnomic) projection + SIP distortions
CTYPE2 DEC--TAN-SIP TAN (gnomic) projection + SIP distortions
EQUINOX 2000.0 Equatorial coordinates definition (yr)
LONPOLE 180.0 no comment
LATPOLE 0.0 no comment
CRVAL1 178.2313618416427 RA of reference point
CRVAL2 36.98758412253542 DEC of reference point
CRPIX1 1024.0 X reference pixel
CRPIX2 1032.0 Y reference pixel
CUNIT1 deg X pixel scale units
CUNIT2 deg Y pixel scale units
CD1_1 -0.000214277488479 Transformation matrix
CD1_2 -9.56656665774e-06 no comment
CD2_1 9.6244130103e-06 no comment
CD2_2 -0.000214455899439 no comment
IMAGEW 2048 Image width, in pixels.
IMAGEH 2064 Image height, in pixels.
A_ORDER 2 Polynomial order, axis 1
A_0_0 0 no comment
A_0_1 0 no comment
A_0_2 5.61192250716e-07 no comment
A_1_0 0 no comment
A_1_1 -4.30366573925e-07 no comment
A_2_0 4.69775440227e-07 no comment
B_ORDER 2 Polynomial order, axis 2
B_0_0 0 no comment
B_0_1 0 no comment
B_0_2 3.34740949547e-07 no comment
B_1_0 0 no comment
B_1_1 1.83525465383e-08 no comment
B_2_0 1.48907520615e-07 no comment
AP_ORDER 2 Inv polynomial order, axis 1
AP_0_0 -4.60414135854e-08 no comment
AP_0_1 -7.55955947713e-08 no comment
AP_0_2 -5.61192768743e-07 no comment
AP_1_0 4.76895027094e-07 no comment
AP_1_1 4.30366366752e-07 no comment
AP_2_0 -4.69775300496e-07 no comment
BP_ORDER 2 Inv polynomial order, axis 2
BP_0_0 6.05951190114e-08 no comment
BP_0_1 1.52585730683e-07 no comment
BP_0_2 -3.34741347662e-07 no comment
BP_1_0 1.63209181416e-07 no comment
BP_1_1 -1.83526973667e-08 no comment
BP_2_0 -1.48907608306e-07 no comment
HISTORY Created by the Astrometry.net suite.
HISTORY For more details, see http://astrometry.net.
HISTORY Git URL https://github.com/dstndstn/astrometry.net
HISTORY Git revision 0.70
HISTORY Git date Wed_Dec_7_11:52:34_2016_-0500
HISTORY This WCS header was created by the program "blind".
HISTORY Astrometry.Net: At downsample = 4, search took 184 seconds
HISTORY Astrometry: Paramopts = Downsample=4 Paramopts=--guess-sc
HISTORY Reduced: astrometrylocal v0.2 2025-02-08_10:57:00
HISTORY astrometrylocal: astrocmd=/data/scripts/astrometry/install/bin/solve-fi
HISTORY eld --no-verify --crpix-center --no-plots --overwrite --continue
HISTORY --index-xyls none --axy none --temp-axy --solved none --m
HISTORY atch none --rdls none --corr none --scale-units arcsecperpix
HISTORY --cpulimit 300 --scale-low 0.5 --scale-high 2.0 --sort-column FLUX %s --
HISTORY out %s
HISTORY astrometrylocal: verbose=True
HISTORY astrometrylocal: delete_temp=True
HISTORY astrometrylocal: downsample=[4, 2, 6, 8, 10]
HISTORY astrometrylocal: paramoptions=['--guess-scale', '--scale-low 0.5 --scal
HISTORY e-high 2.0 --sort-column FLUX']
HISTORY astrometrylocal: timeout=120
HISTORY astrometrylocal: ra=
HISTORY astrometrylocal: dec=
HISTORY astrometrylocal: searchradius=5
HISTORY Reduced: fluxcal v0.1 2025-02-08_10:57:08
HISTORY fluxcal: filtermap=g-band=g|r-band=r|i-band=i|z-band=z
HISTORY fluxcal: zeropercent=45.0
HISTORY fluxcal: fitplot=True
COMMENT Original WCS key: "DATE"
_ATE 2025-02-08T10:57:00 Date this file was created.
PHTZPRAW 25.30288024486974 Photometric zeropoint for RAW data
PTZRAWER 0.0 Uncertainty of the RAW photometric zeropoint
PHOTZP 8.9 Photometric zeropoint MAG=-2.5*log(data)+PHOTZP
BUNIT Jy/pixel Units for the data
COMMENT -- blind solver parameters: --
COMMENT Index(0):
COMMENT /data/scripts/astrometry/install/data/index-4207-06.fits
COMMENT Index(1):
COMMENT /data/scripts/astrometry/install/data/index-4201-27.fits
COMMENT Index(2):
COMMENT /data/scripts/astrometry/install/data/index-4201-09.fits
COMMENT Index(3):
COMMENT /data/scripts/astrometry/install/data/index-4201-06.fits
COMMENT Field name: /tmp/tmp.axy.AtHZ3B
COMMENT Field scale lower: 0.5 arcsec/pixel
COMMENT Field scale upper: 2 arcsec/pixel
COMMENT X col name: X
COMMENT Y col name: Y
COMMENT Start obj: 0
COMMENT End obj: 10
COMMENT Solved_in: (null)
COMMENT Solved_out: (null)
COMMENT Solvedserver: (null)
COMMENT Parity: 2
COMMENT Codetol: 0.01
COMMENT Verify pixels: 1 pix
COMMENT Maxquads: 0
COMMENT Maxmatches: 0
COMMENT Cpu limit: 300.000000 s
COMMENT Time limit: 0 s
COMMENT Total time limit: 0 s
COMMENT Total CPU limit: 300.000000 s
COMMENT Tweak: yes
COMMENT Tweak AB order: 2
COMMENT Tweak ABP order: 2
COMMENT --
COMMENT -- properties of the matching quad: --
COMMENT index id: 4207
COMMENT index healpix: 6
COMMENT index hpnside: 1
COMMENT log odds: 120.559
COMMENT odds: 2.28002e+52
COMMENT quadno: 318764
COMMENT stars: 210318,210477,210475,210482
COMMENT field: 7,2,9,8
COMMENT code error: 0.000823838
COMMENT nmatch: 14
COMMENT nconflict: 0
COMMENT nfield: 174
COMMENT nindex: 14
COMMENT scale: 0.772493 arcsec/pix
COMMENT parity: 1
COMMENT quads tried: 100
COMMENT quads matched: 12
COMMENT quads verified: 0
COMMENT objs tried: 10
COMMENT cpu time: 0.003
COMMENT --
COMMENT
COMMENT --End of Astrometry.net WCS--
COMMENT --(Put in by the new-wcs program)--
COMMENT