--- header unit 0: primary ---
SIMPLE = T / Written by SkyView Thu Nov 27 05:14:46 EST 2025
BITPIX = -32 / 4 byte floating point
NAXIS = 2 / Two dimensional image
NAXIS1 = 300 / Width of image
NAXIS2 = 300 / Height of image
CRVAL1 = 167.861 / Reference longitude
CRVAL2 = 0.584589 / Reference latitude
RADESYS = 'FK5' / Coordinate system
EQUINOX = 2000.0 / Epoch of the equinox
CTYPE1 = 'RA---TAN' / Coordinates -- projection
CTYPE2 = 'DEC--TAN' / Coordinates -- projection
CRPIX1 = 150.5 / X reference pixel
CRPIX2 = 150.5 / Y reference pixel
CDELT1 = -0.00011 / X scale
CDELT2 = 0.00011 / Y scale
COMMENT SkyView Survey metadata
COMMENT info: query coordinates guaranteed to return data for this surv
COMMENT ey
COMMENT ra: 0
COMMENT dec: 0
COMMENT radius: 1
COMMENT Provenance: Sloan Digital Sky Survey Team
COMMENT Copyright: Source images were provided by the Sloan Digial Sky Surve
COMMENT y under a Creative Commons Attribution licence (CC-BY)
COMMENT for use as described under the SDSS Image Use Policy. For
COMMENT more information on the SDSS, see www.sdss.org.
COMMENT Regime: Optical
COMMENT NSurvey: 5
COMMENT Frequency: 490 THz
COMMENT Bandpass: 448-540 THz
COMMENT Coverage: 14,555 square degrees. The SDSS site provides coverage ma
COMMENT ps
COMMENT PixelScale: 0.4"
COMMENT PixelUnits:
COMMENT Resolution: 1"
COMMENT Coordinates: Equatorial
COMMENT Projection: Tangent
COMMENT Epoch: 1998 to 2011
COMMENT Reference: Sloan Digital Sky Survey website or ADS
COMMENT Survey specific cards
SURVEY = 'SDSS-r'
COMMENT From Sloan Digital Sky Survey DR16
COMMENT Image datasets are retrieved from the SDSS Site
COMMENT (www.sdss.org) and resampled into the user-requested projection.
HISTORY Settings used in processing:
HISTORY cache = /data/cache/surveys/
HISTORY catalogids = on
HISTORY coordinates = J2000.0
HISTORY descriptionxslt = cgifiles/description.xsl
HISTORY dft_cache = ./skycache/
HISTORY dummy
HISTORY equinox = 2000
HISTORY finalpostprocessor = skyview.ij.IJProcessor,skyview.data.BoxSmoother,sky
HISTORY float = on
HISTORY footertemplate = cgifiles/skyfooter.html
HISTORY gallerydir = /userimages
HISTORY galleryxslt = cgifiles/gallerymultipage.xsl
HISTORY gridlabels
HISTORY headertemplate = cgifiles/skyheader.html
HISTORY htmlwriter = skyview.request.HTMLWriter
HISTORY imagefactory = skyview.survey.CachingImageFactory
HISTORY imagefinder = LocalBorder
HISTORY imagesize = 0.25
HISTORY localurl = https://skyview.gsfc.nasa.gov/surveys,/skyview/htdocs/surveys
HISTORY lut = colortables/b-w-linear.bin
HISTORY lutcbarpath = ../images/colorbars/
HISTORY mosaicker = skyview.process.Mosaicker
HISTORY name = Sloan Digital Sky Survey r-band
HISTORY noexit =
HISTORY nullimagedir = ../images/nodata
HISTORY output = ../../tempspace/fits/skv1165785836047
HISTORY outputroot = ../../tempspace/fits
HISTORY pixels = 300
HISTORY position = 167.861 0.584589
HISTORY postprocessor = skyview.ij.IJProcessor,skyview.request.HTMLWriter
HISTORY projection = Tan
HISTORY quicklook = jpeg
HISTORY reqxpos = 167.861
HISTORY reqypos = 0.584589
HISTORY resolver = SIMBAD-NED
HISTORY rgbtemplate = cgifiles/skyrgb.html
HISTORY rgbwriter = skyview.request.RGBWriter
HISTORY sampler = Default
HISTORY savebysurvey
HISTORY scale = 0.00011
HISTORY scaling = Log Sqrt Linear HistEq LogLog
HISTORY settingsupdaters = BatchCompatibility,SettingsFixer,skyview.request.Toas
HISTORY shortname = SDSSr,SDSS r
HISTORY sia_header = ./sia.header
HISTORY siabase = https://skyview.gsfc.nasa.gov/cgi-bin/images?
HISTORY siaimagetimeout = 300000
HISTORY siapcoordinates = J2000
HISTORY siapprojection = Tan
HISTORY siapurl = https://skyserver.sdss.org/vo/DR16SIAP/SIAP.asmx/getSiapInfo?F
HISTORY siapurltransform = https://data.sdss3.org,https://data.sdss.org
HISTORY size = 0.033,0.033
HISTORY survey = SDSSr
HISTORY surveyfinder = skyview.survey.XMLSurveyFinder
HISTORY surveymanifest = surveys/survey.manifest
HISTORY surveyregimes = Radio,Millimeter,Infrared,Optical,Ultraviolet,X-ray,Gamm
HISTORY surveysheader = cgifiles/survey.header
HISTORY surveytemplate = cgifiles/skysurvey.html
HISTORY url.heasarcbase = https://heasarc.gsfc.nasa.gov/xamin/vo/cone?showoffset
HISTORY url.ned = http://nedwww.ipac.caltech.edu/cgi-bin/nph-NEDobjsearch?search
HISTORY url.simbad = http://simbad.u-strasbg.fr/simbad-conesearch.pl?
HISTORY url.vizierbase = http://vizier.u-strasbg.fr/viz-bin/votable/-dtd/-A?-out
HISTORY urllocalhelp = https://skyview.gsfc.nasa.gov/help/help.html
HISTORY version = 3.5.7
HISTORY webrootpath = /skyview/htdocs
HISTORY xmlurlprefix = https://skyview.gsfc.nasa.gov/current/jar/
HISTORY Map generated at: Thu Nov 27 05:14:46 EST 2025
HISTORY Resampler used: NNSampler
HISTORY Image mosaicking usingskyview.process.Mosaicker
HISTORY Used image:/data/cache/surveys/SDSSr/frame-r-003624-5-0053.fits.bz2
HISTORY Pixels:7030
HISTORY Used image:/data/cache/surveys/SDSSr/frame-r-002141-5-0169.fits.bz2
HISTORY Pixels:4875
HISTORY Used image:/data/cache/surveys/SDSSr/frame-r-001481-5-0078.fits.bz2
HISTORY Pixels:78095