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Object: ngc6871
Filter: r-band
Obs Date: 2024-08-06T07:17:36
RA: 20:06:11.0245
Dec: 35:46:15.3427
Bzero:8.9
Observer: ixchel
Exposure Time: 30

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
GAIN 0.0 e-/ADU
DARKTIME 46 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)
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 ixchel
RA 20:06:11.0245
DEC 35:46:15.3427
COMMENT Original key: "EQUINOX"
_QUINOX 2000
OVER False
HA 00:01:47
AIRMASS 1 secant z
DOMEAZ 97.1 degrees
TRAKHA 15.041 arc-sec/second
TRAKDEC 0 arc-sec/second
TELFOCUS 7267 mm
AMBIENT 16.2 Lower truss North (C)
PRIMARY 19.9 Primary mirror cell (C)
SECONDAR 18 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 301.532583
COMMENT Original key: "CRVAL2"
_RVAL2 35.715814
WCSDIM 2
COMMENT Original key: "CD1_1"
_D1_1 0.0002017369
COMMENT Original key: "CD1_2"
_D1_2 7.422473e-05
COMMENT Original key: "CD2_2"
_D2_2 0.0002017369
COMMENT Original key: "CD2_1"
_D2_1 -7.422473e-05
EXPTIME 30 ACTUAL exposure time (seconds)
SHUTTER open camera shutter
TIMESYS UTC approximate
DATE-OBS 2024-08-06T07:17:36
UT 07:17:36 shutter opening time
MJD-OBS 60528.30388889 MJD of observation start
MJDHDR 60528.30425976 MJD of header creation
LSTHDR 20:08:53 LST of header creation
IMAGETYP OBJECT
OBJECT ngc6871
PRODTYPE fluxcal Product Type
PIPEVERS 1_3_0beta3 Pipeline Version
FILENAME ngc6871_r-band_30.0s_bin1_240806_071726_ctkrueger_seo_9_FCAL.fits
DATE 2024-08-06T16:38:12
RHALF 2.534400639964156 Mean half-power radius of LTS stars (pixels)
RHALFSTD 0.3276985430433095 std of half-power radii of LTS stars (pixels)
ELONG 1.13206430159263 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 2024-08-06_16:36:37
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 flatfile = meandark_h-alpha_0.001s_bin1_240403_160234-192241_c
HISTORY tkrueger_seo_MDARK.fits
HISTORY bdf: Best flatfile = meandark_h-alpha_128.0s_bin1_240403_153839-191800_c
HISTORY tkrueger_seo_MDARK.fits
HISTORY bdf: Best flat = /data/Temp/Users/ctkrueger/masters/Flat/2024-05-04/mfla
HISTORY t_r-band_bin1DR_20240504_031909-032051_chultun_seo_MFLAT.fits
HISTORY BIAS: /data/Temp/Users/ctkrueger/masters/Bias/meandark_h-alpha_0.001s_bi
HISTORY n1_240403_160234-192241_ctkrueger_seo_MDARK.fits
HISTORY DARK: /data/Temp/Users/ctkrueger/masters/Dark/meandark_h-alpha_128.0s_bi
HISTORY n1_240403_153839-191800_ctkrueger_seo_MDARK.fits
HISTORY FLAT: /data/Temp/Users/ctkrueger/masters/Flat/2024-05-04/mflat_r-band_bi
HISTORY n1DR_20240504_031909-032051_chultun_seo_MFLAT.fits
HISTORY Reduced: bdf v0.1 2024-08-06_16:36:47
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=$MASTER_BDF_FOLDER/Bias/*.fits
HISTORY bdf: bkupbias=bkupbiasfolder/*.fits
HISTORY bdf: biasfitkeys=['NAXIS1', 'XBIN', 'DATE-OBS']
HISTORY bdf: daterange=0.5
HISTORY bdf: darkfile=$MASTER_BDF_FOLDER/Dark/*.fits
HISTORY bdf: bkupdark=bkupdarkfolder/*.fits
HISTORY bdf: darkfitkeys=['NAXIS1', 'XBIN', 'EXPTIME', 'DATE-OBS']
HISTORY bdf: flatfile=$MASTER_BDF_FOLDER/Flat/*/*.fits
HISTORY bdf: bkupflat=bkupflatfolder/*.fits
HISTORY bdf: flatfitkeys=['NAXIS1', 'XBIN', 'FILTER', 'DATE-OBS']
HISTORY PipeMode = seo_server_ccd
HISTORY Reduced: srcextpy v0.1 2024-08-06_16:36:52
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 301.5459356132823 RA of reference point
CRVAL2 35.77092853942965 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 -0.000214402506545 Transformation matrix
CD1_2 -8.22391490827e-06 no comment
CD2_1 8.21489625328e-06 no comment
CD2_2 -0.000214427917384 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 -3.63313046168e-08 no comment
A_1_0 0 no comment
A_1_1 -7.90887308512e-08 no comment
A_2_0 7.89941252602e-08 no comment
B_ORDER 2 Polynomial order, axis 2
B_0_0 0 no comment
B_0_1 0 no comment
B_0_2 -6.0414406056e-08 no comment
B_1_0 0 no comment
B_1_1 7.10209198248e-08 no comment
B_2_0 4.43200544122e-08 no comment
AP_ORDER 2 Inv polynomial order, axis 1
AP_0_0 -1.05080177892e-10 no comment
AP_0_1 -5.35066706038e-09 no comment
AP_0_2 3.63312925839e-08 no comment
AP_1_0 6.07734538513e-09 no comment
AP_1_1 7.90887574237e-08 no comment
AP_2_0 -7.89941226002e-08 no comment
BP_ORDER 2 Inv polynomial order, axis 2
BP_0_0 7.35200481975e-10 no comment
BP_0_1 2.5796343882e-09 no comment
BP_0_2 6.04144082534e-08 no comment
BP_1_0 -1.42263349592e-09 no comment
BP_1_1 -7.10208956923e-08 no comment
BP_2_0 -4.43200675327e-08 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 0.82
HISTORY Git date Thu_Jul_16_16:26:35_2020_-0400
HISTORY This is a WCS header was created by Astrometry.net.
HISTORY Astrometry.Net: At downsample = 4, search took 188 seconds
HISTORY Astrometry: Paramopts = Downsample=4 Paramopts=--guess-sc
HISTORY Reduced: astrometrylocal v0.2 2024-08-06_16:37:03
HISTORY astrometrylocal: astrocmd=solve-field --no-verify --crpix-cente
HISTORY r --no-plots --overwrite --continue --index-xyls none --ax
HISTORY y none --temp-axy --solved none --match none --rdls none --corr none
HISTORY --scale-units arcsecperpix --cpulimit 300 --scale-low 0.5 --scal
HISTORY e-high 2.0 --sort-column FLUX %s --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 2024-08-06_16:38:12
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 2024-08-06T16:37:01 Date this file was created.
PHTZPRAW 23.85151082765629 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 -- onefield solver parameters: --
COMMENT Index(0):
COMMENT /data/scripts/astrometry_index_files/index-4201-13.fits
COMMENT Field name: /tmp/tmp.axy.Oht9mY
COMMENT Field scale lower: 0.766112 arcsec/pixel
COMMENT Field scale upper: 0.781589 arcsec/pixel
COMMENT X col name: X
COMMENT Y col name: Y
COMMENT Start obj: 80
COMMENT End obj: 90
COMMENT Solved_in: (null)
COMMENT Solved_out: (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: 4201
COMMENT index healpix: 13
COMMENT index hpnside: 2
COMMENT log odds: 842.871
COMMENT odds: inf
COMMENT quadno: 407132
COMMENT stars: 1519356,1519407,1519359,1519399
COMMENT field: 43,16,25,88
COMMENT code error: 0.00376199
COMMENT nmatch: 545
COMMENT nconflict: 1
COMMENT nfield: 1042
COMMENT nindex: 884
COMMENT scale: 0.772462 arcsec/pix
COMMENT parity: 1
COMMENT quads tried: 15
COMMENT quads matched: 17
COMMENT quads verified: 0
COMMENT objs tried: 89
COMMENT cpu time: 0.005512
COMMENT --
COMMENT
COMMENT --End of Astrometry.net WCS--
COMMENT --(Put in by the new-wcs program)--
COMMENT