HEASARC DataScope | service | http://heasarc.gsfc.nasa.gov/cgi-bin/vo/datascope/jds.pl?position=m31&size=0.25 | /vo/cache//10.684625_41.269278_0.25/

SkyView Query 1 | image | http://skyview.gsfc.nasa.gov/cgi-bin/runquery.pl?Position=m60&SURVEY=Digitized+Sky+Survey&Return=Filename | regexp:^skv[0-9][0-9]*$ | ivo://nasa.heasarc/skyview/dss
SkyView Query 2 | image | http://skyview.gsfc.nasa.gov/cgi-bin/runquery.pl?Position=m90&SURVEY=FIRST&Return=Filename | regexp:^skv[0-9][0-9]*$ | ivo://nasa.heasarc/skyview/first
SkyView Image Index | image | http://skyview.gsfc.nasa.gov/cgi-bin/vo/sia.pl?POS=270.67,-22.97&SIZE=0.03 | <TABLEDATA> | ivo://nasa.heasarc/skyview/skyview
SkyView JPEG Image | image | http://skyview.gsfc.nasa.gov/cgi-bin/images?position=270.67%2C-22.97&survey=pspc1int&pixels=300%2C300&sampler=Clip&size=0.03%2C0.03&projection=Tan&coordinates=J2000.0&nofits=1&quicklook=jpeg&return=jpeg | bytes:1000 | ivo://nasa.heasarc/skyview/skyview
SkyView GIF Image | image | http://skyview.gsfc.nasa.gov/cgi-bin/images?position=270.67%2C-22.97&survey=pspc1int&pixels=300%2C300&sampler=Clip&size=0.03%2C0.03&projection=Tan&coordinates=J2000.0&nofits=1&quicklook=gif&return=gif | GIF89a |ivo://nasa.heasarc/skyview/skyview

#HEASARC Cone Search 1 | table | http://heasarc.gsfc.nasa.gov/cgi-bin/vo/cone/coneGet.pl?table=ibisgpscat&DEC=30&RA=16&SR=1.0 | <TABLEDATA> | ivo://nasa.heasarc/ibisgpscat
HEASARC Table Search | table | http://heasarc.gsfc.nasa.gov/cgi-bin/vo/cone/coneGet.pl?table=xmmmaster&DEC=60&RA=160&SR=1.0 | <TABLEDATA> | ivo://nasa.heasarc/xmmmaster
HEASARC Browse VOTable | table | http://heasarc.gsfc.nasa.gov/cgi-bin/W3Browse/getvotable.pl?name=a1point | <TABLEDATA> 

MAST Table Search | table | http://archive.stsci.edu/hst/search.php?RA=53.084&DEC=-27.873&SR=0.01 | <TABLEDATA> | ivo://archive.stsci.edu/hst
MAST Image/Archive Index | image | http://archive.stsci.edu/siap/search.php?id=appp&POS=30,30&SIZE=10 | <TABLEDATA> | ivo://mast.stsci/siap/hst.appp
MAST Image/Archive Image | image | http://archive.stsci.edu/pub/hlsp/appp/ffd/pu581ug01/f450w/h_pu581ug01_f450w_sci_v20.fits | regexp:SIMPLE *= *T | ivo://mast.stsci/siap/hst.appp
MAST Index of Spectra | spectrum | http://archive.stsci.edu/ssap/search.php?id=HST&POS=3,33&SIZE=3 | <TABLEDATA> | ivo://mast.stsci/ssap/hst
MAST Spectrum | spectrum | http://archive.stsci.edu/pub/vospectra/ghrs/z2vq050it_vo.fits | regexp:SIMPLE *= *T | ivo://mast.stsci/ssap/hst
#MAST SIAP/Cutout   | table | http://archive.stsci.edu/eidol.php?POS=53,-28&SIZE=100 | <TABLEDATA> | ivo://mast.stsci/siap-cutout/goods.hst

Team Keck Treasury Table Search | table | http://www2.keck.hawaii.edu/software/vos/tkrsConeSearch.php?RA=14&DEC=66.4&SR=190 | <TABLEDATA> | TKRS

MAST DSS-Infrared | table | http://gsss.stsci.edu/gscvo/DSS2I.jsp?POS=192.90083333333328,36.00575&SIZE=0.1 | notfunctioning
### MAST DSS1   | table | http://gsss.stsci.edu/gscvo/DSS1.jsp?FORMAT=image/fits&POS=192.90083333333328,36.00575&SIZE=0.005500000023748726&requestID=DS1184613292774 | notfunctioning
### MAST DSS2   | table | http://gsss.stsci.edu/gscvo/DSS2.jsp?POS=192.90083333333328,36.00575&SIZE=0.005500000023748726&requestID=DS1184613292774 | notfunctioning
### MAST DSS2b  | table | http://gsss.stsci.edu/gscvo/DSS2B.jsp?POS=192.90083333333328,36.00575&SIZE=0.005500000023748726&requestID=DS1184613292774 | notfunctioning
### MAST DSS2R  | table | http://gsss.stsci.edu/gscvo/DSS2R.jsp?POS=192.90083333333328,36.00575&SIZE=0.005500000023748726&requestID=DS1184613292774 | notfunctioning

Australian VO Cone Search | table | http://services.aus-vo.org/skycat/conesearch?CAT=astro_skycat_hicat&RA=180&DEC=-45&SR=10 | <TABLEDATA>
### Australian VO SkyCat | table?? | http://services.aus-vo.org/skycat/search?csfe819ra=&csfe819dec=&csfe819radius=&bsfe820ra-l=0&bsfe820ra-r=90&bsfe820dec-l=0&bsfe820dec-r=60&scfe818query=Submit+Query&scfe818queryType=HTML | HIPASSJ0126-00

STECF Hubble FOS SSAP Index of Spectra | spectrum | http://archive.eso.org/bin/fos_ssap.pl?POS=16,16&SIZE=3 | <TABLEDATA> | ivo://stecf.euro-vo/SSA/HST/FOS

#ISO SIAP/Archive Image Index | image | http://ida.esac.esa.int:8080/aio/jsp/siap.jsp?POS=202.5,47.1 | <TABLEDATA> | ivo://esavo/iso/siap
ISO SIAP Image Index | image | http://isda.esac.esa.int:8080/aio/jsp/metadata.jsp?resource_class=ods&POS=33,33&SIZE=3  | <TABLEDATA> | ivo://esavo/isda/siap
#ISO SIAP Image | image |  | ivo://esavo/isda/siap
ISO SSAP Index of Spectra | spectrum | http://pma.iso.vilspa.esa.es:8080/aio/jsp/siap.jsp?imageType=spectrum&POS=30,30&SIZE=3 | <TABLEDATA> | ivo://esavo/iso/ssap
ISO SSAP Spectrum | spectrum | http://ida.esac.esa.int:8080/aio/jsp/product.jsp?obsno=59900411&protocol=HTTP&name=psp&level=Custom | regexp:SIMPLE *= *T | ivo://esavo/iso/ssap

#CDS Aladin Image | table | http://aladin.u-strasbg.fr/cgi-bin/nph-HTTP.cgi?mode=siap_atlas&out=qualifier&POS=80.89416667%2C-69.75611111&SIZE=0.2&FORMAT=image%2Ffits | <TABLEDATA> | ivo://CDS/aladinSIA
CDS Aladin Image Index| image |http://aladin.u-strasbg.fr/cgi-bin/nph-HTTP.cgi?FORMAT=image/fits&mode=siap_atlas&out=qualifier&POS=33,33&SIZE=3 | <TABLEDATA> | ivo://CDS/aladinSIA
#CDS Aladin Image Cutout  | table| http://aladin.u-strasbg.fr/cgi-bin/nph-HTTP.cgi?mode=siap_cutout&out=qualifier&POS=053.11629%2C-27.808&SIZE=0.2&FORMAT=image%2Ffits&INTERSECT=CENTER | <TABLEDATA>  

CDS SIMBAD Table Search | service | http://simbad.u-strasbg.fr/cgi-bin/simbad-conesearch.pl?RA=16&DEC=19&SR=1.0 | <TABLEDATA>  | ivo://CDS/simbad
### CDS SIMBAD Cone Search | table | http://simbad.u-strasbg.fr/simbad/sim-coo?output.format=VOTable&Coord=12%2030%20%2b10%2020&Radius=10&Radius.unit=arcmin | <TABLEDATA>
CDS VizieR Table Search | table | http://vizier.u-strasbg.fr/viz-bin/votable/-dtd/-A?-out.add=_RAJ2000,_DEJ2000&-source=I/131A/sao&RA=3&DEC=19&SR=3 | <TABLEDATA> | http://vizier.u-strasbg.fr/I/131A

Cornell Digital HI Archive Table Search | table | http://arecibo.tc.cornell.edu/hiarchive/cone.php?RA=190&DEC=10&SR=3 | <TABLEDATA> | http://arecibo.tc.cornell.edu/hiarchive/

NASA/IPAC Image Index | image |http://irsa.ipac.caltech.edu/cgi-bin/Atlas/nph-atlas?mission=MSX&hdr_location=%5CMSXDataPath%5C&SIAP_ACTIVE=1&collection_desc=The+Midcourse+Space+Experiment+%28MSX%29&POS=6,60&SIZE=1  | <TABLEDATA>  | ivo://irsa.ipac/MSX
NASA/IPAC Image | image | http://irsa.ipac.caltech.edu/data/MSX/images/A1185N15.FIT | regexp:SIMPLE *= *T | ivo://irsa.ipac/MSX

German VO Table Search | table | http://www.g-vo.org/conesearch/pages/scs/SimpleConeSearch.faces?RA=0.1&DEC=-0.1&SR=0.1 | <TABLEDATA>  

NED Table Search | service  | http://nedwww.ipac.caltech.edu/cgi-bin/nph-NEDobjsearch?search_type=Near+Position+Search&of=xml_main&&RA=180&DEC=-1&SR=0.1 | <TABLEDATA> | ivo://ned.ipac/Basic_Data_Near_Position
NED Image Index | image | http://irsa.ipac.caltech.edu/cgi-bin/Atlas/nph-nedsiap?mission=NED&hdr_location=%5CNEDDataPath%5C&SIAP_ACTIVE=1&collection_desc=NASA%2FIPAC+Extragalactic+Database+Image+Data+Atlas+%28NED%29&POS=33,33&SIZE=3 | <TABLEDATA> | ivo://ned.ipac/Image
NED Image | image | http://nedwww.ipac.caltech.edu/img6/2002RRFID.C...0000F/TXS_0202+319_97JAN10X.fits.gz | bytes:500000 | ivo://ned.ipac/Image

VO-Paris Exoplanets Table Search | table | http://vo.obspm.fr/exoplanetes/encyclo/cone_search_cgi.php?RA=19&DEC=33&SR=3 | <TABLEDATA> | www.obspm.fr/planets
VO-Paris Image Index | image | http://voplus.obspm.fr/cgi-bin/sia.pl?survey=ESOR&POS=1,-19&SIZE=3 | <TABLEDATA> | obspm/cai/ESOR
#VO-Paris Image | image | http://voplus.obspm.fr/cgi-bin/cutout.pl?url=eso606R.fits&amp;naxis=5613%2016097&amp;crpix=14363.5%205009.5&amp;format=image/fits | 
VO-Paris Index of Spectra | spectrum | http://vo.obspm.fr/cgi-bin/siap/ssapHFA.pl?POS=39,39&SIZE=3 | <TABLEDATA> | http://leda.univ-lyon1.fr

ELODIE Index of Spectra | spectrum | http://atlas.obs-hp.fr/elodie/E.cgi?a=t&c=ssa&n=ssa&POS=60,60&SIZE=.6 | <TABLEDATA> | ELODIE
ELODIE Spectrum | spectrum | http://atlas.obs-hp.fr/elodie/E.cgi?c=i&a=mime:application/fits&z=wrs%7Ctbl&o=elodie:20031102/0017 | regexp:SIMPLE *= *T | ELODIE
HFA Index of Spectra | spectrum | http://leda.univ-lyon1.fr/G.cgi?c=ssa&n=fassa&POS=33,33&SIZE=1 | <TABLEDATA> | hfa
HFA Spectrum | spectrum | http://leda.univ-lyon1.fr/G.cgi?c=i&n=11&a=mime:application/fits&z=tbl&o=fa:L1998GLUS/00087 | regexp:SIMPLE *= *T | hfa

BeSS Index of Spectra | spectrum | http://basebe.obspm.fr/cgi-bin/ssapBE01.pl?POS=60,63&SIZE=3 | <TABLEDATA> | ivo://basebe.obspm.fr/bess0.1
BeSS Spectrum | spectrum | http://basebe.obspm.fr/cgi-bin/extBeSS.pl?fits=P_cneiner%2Fiueswphl%2FIUE_SWP20434HL_lin.fits | regexp:SIMPLE *= *T | ivo://basebe.obspm.fr/bess0.1

Canadian VO Image Index | image | http://www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca/ivoa/GEMINI/siapQuery?POS=190,60&SIZE=.1 | <TABLEDATA> | ivo://cadc.nrc.ca/siap/gemini

NCSA Table Search | table | http://adil.ncsa.uiuc.edu/cgi-bin/vocone?survey=f&DEC=30&RA=14&SR=1.0 | <TABLEDATA> | ivo://adil.ncsa/targeted/conesearch 
NCSA Image | image | http://adil.ncsa.uiuc.edu/cgi-bin/voimquery?survey=f&POS=90,60&SIZE=1 | ADIL targeted images matching VO query | ivo://adil.ncsa/targeted/SIA

NOMAD Table Search | table | http://www.nofs.navy.mil/cgi-bin/vo_cone.cgi?CAT=NOMAD&DEC=90&RA=3&SR=.1 | <TABLEDATA>  | ivo://fs.usno/cat/nomad

Euro-VO Image Index | image | http://archive.eso.org/archive/hst/siap1.0/preview/siap_cgi.pl?POS=90,16&SIZE=.1 | bandpass_hilimit | ivo://stecf.euro-vo/siap/hst/preview

SDSS Table Search | table | http://casjobs.sdss.org/vo/dr6cone/sdssConeSearch.asmx/ConeSearch?DEC=14&RA=16&SR=.01 | <TABLEDATA> | ivo://sdss.jhu/services/DR6CONE
SDSS Image/Archive Index | image| http://casjobs.sdss.org/vo/DR6SIAP/SIAP.asmx/getSiapInfo?&FORMAT=image/fits&BANDPASS=ugriz&POS=3,3&SIZE=3.9 | <TABLEDATA> | ivo://sdss.jhu/services/SIAPDR6-images
SDSS Image  | image | http://das.sdss.org/DR6/data/imaging/2662/40/corr/6/fpC-002662-u6-0302.fit.gz | bytes:3720  | ivo://sdss.jhu/services/SIAPDR6-images 

ROE Astrogrid Table Search | table | http://watten.roe.ac.uk/iras-dsa/SubmitCone?RA=145.4375&DEC=54.4564&SR=1.5 | <TABLEDATA>
#ROE Astrogrid SIAP | table |   | notfunctioning

ROE SIAP Image Index | image | http://cass38.ast.cam.ac.uk/cgi-bin/wfs-siap-atlas/getImage?run=249522&ccd=2 | notfunctioning

Harvard-CFA ADS Table Search | table | http://adsabs.harvard.edu/cgi-bin/abs_connect?data_type=VOTABLE&DEC=60&RA=16&SR=.1 | <TABLEDATA> |  http://ads.harvard.edu
Harvard CXC Image/Archive Index | image | http://cda.harvard.edu/siap/queryImages?POS=33,33&SIZE=6 | <TABLEDATA> | http://cxc.harvard.edu/cda

JVO SIAP Image Index | image | http://jvo.nao.ac.jp/siap/sxds.do?pos=34.2,-5.0&size=0.02,0.02&format=html | notfunctioning

NCSA Registry | registry | http://nvo.ncsa.uiuc.edu/cgi-bin/nvo/oai.pl?verb=Identify | http://nvo.ncsa.uiuc.edu/cgi-bin/nvo/oai.pl | ivo://nvo.ncsa/registry
HEASARC Registry | registry | http://heasarc.gsfc.nasa.gov/cgi-bin/OAI-XMLFile-2.1/XMLFile/nvo/oai.pl?verb=Identify | http://heasarc.gsfc.nasa.gov/cgi-bin/OAI-XMLFile-2.1/XMLFile/nvo/oai.pl | ivo://nasa.heasarc/
Carnivore Registry | service | http://nvo.caltech.edu/cgi-bin/OAI-XML/carnivore/oai.pl?verb=Identify | http://nvo.caltech.edu/cgi-bin/OAI-XML/carnivore/oai.pl | ivo://nvo.caltech/registry
JHU Registry | service | http://nvo.stsci.edu/VORegistry/registry.asmx/KeywordSearch?keywords=sdssjhu&andKeys=true | <ArrayOfResource
JVO Registry | registry | http://jvo.nao.ac.jp/cgi-bin/publishingRegistry/oai.pl?verb=Identify | http://jvo.nao.ac.jp/cgi-bin/publishingRegistry/oai.pl | ivo://jvo.oai/registry
VizieR Registry | registry | http://vizier.u-strasbg.fr/cgi-bin/registry/vizier/oai_v0.10.pl?verb=Identify | http://vizier.u-strasbg.fr/cgi-bin/registry/vizier/oai_v0.10.pl | ivo://vizier/registry 

NOAO Table Search | table | http://archive.noao.edu/nvo/landolt.php?cat=1992 | <TABLEDATA> | ivo://nvo.noao.edu/landolt1992
NOAO Image/Archive Index | image | http://archive.noao.edu/nvo/sim/voquery.php?POS=90,30&SIZE=3 | <TABLEDATA> | ivo://archive.noao.edu/nsa

INES SSA Index of Spectra | spectrum | http://sdc.laeff.inta.es/ines/jsp/ssap.jsp?POS=39,39&SIZE=3 | <TABLEDATA> | ivo://svo.laeff/ines/ssap
INES SSA Spectrum | spectrum | http://sdc.laeff.inta.es:80/cgi-ines/SingleDownload?filename=LWR17184LL.FITS | regexp:SIMPLE *= *T | ivo://svo.laeff/ines/ssap

NRAO Table Search | table | http://archive.nrao.edu/vo/cone/getCatalog?archive=NVSS&RA=16&DEC=39&SIZE=.1 | <TABLEDATA> | ivo://nrao.archive/nvsscatalog
NRAO Image Index | image | http://archive.nrao.edu/vo/SIA/query?archive=FIRST&POS=3,3&SIZE=3 | <TABLEDATA> | ivo://nrao.archive/vla/first


NVO Sky Statistics Service | service?? | http://irsa.ipac.caltech.edu/cgi-bin/QuickStats/nph-stats?objstr=Messier+51&size=5&units=arcmin&coverage=1 | Infrared Astronomical Satellite

OpenSkyQuery | service | http://openskyquery.net/Sky/SkySite/browse/vodataclean.aspx?prefix=24883 | regexp:<td[ ]*>[0-9][0-9.]*</td>

Spectrum Service | service | http://voservices.net/spectrum/process_form_output.aspx?search=cone&option=download&restframe=False&normalize=False&vac2air=False&deredden=True&target=display&flux=True&format=graph | Results

### VOEventnet | service | ivo://nvo.caltech/voeventnet#gcn.gsfc/MILAGRO_Source_2007-07-17T09:50:33_612-1
### http://voeventnet.caltech.edu/GCN.shtml#table612_100 | BurstType

XMM-Newton Interoperability System | table | http://xsa.vilspa.esa.es:8080/aio/jsp/siap.jsp?POS=69,68&SIZE=3 | <TABLEDATA> | ivo://esavo/xmm/siap

HST Press Release Image Archive | image | http://hubblesite.org/cgi-bin/sia/hst_pr_sia.pl?POS=100,10&SIZE=1 | <TABLEDATA> | ivo://opo.stsci/hst_pr_sia

Table Search Validator | maintenance | http://nvo.ncsa.uiuc.edu:8081/validate/ConeSearchValidater?BASEURL=http%3A%2F%2Fheasarc.gsfc.nasa.gov%2Fcgi-bin%2Fvo%2Fcone%2FconeGet.pl%3Ftable%3Dxmmmaster&RA=180.0&DEC=60.0&SR=1.0&FORMAT=html&show=fail&show=warn&show=rec | Cone Search Verification Results

Image Validator | maintenance | http://nvo.ncsa.uiuc.edu:8081/validate/SIAValidater?BASEURL=http%3A%2F%2Fskyview.gsfc.nasa.gov%2Fcgi-bin%2Fvo%2Fsia.pl%3F&RA=180.0&DEC=60.0&RASIZE=1.0&DECSIZE=1.0&FORMAT=ALL&EXTRAPARAMS=&RESULT=html&show=fail&show=warn&show=rec | Simple Image Access Service Verification Results

VO Registry Validator | maintenance | http://nvo.ncsa.uiuc.edu:8081/validate/HarvestValidater?BASEURL=http%3A%2F%2Fheasarc.gsfc.nasa.gov%2Fcgi-bin%2FOAI2test%2FXMLFile%2Fnvo%2Foai.pl&RESULT=html&show=fail&show=warn&show=rec&checkreg=Check+the+Registry | Registry Harvest Service Verification Results

GALEX Table Search | table | http://galex.stsci.edu/gxWS/ConeSearch/ConeSearch.asmx/ConeSearchToVOTable?ra=16&dec=30&sr=1&verb=.01 | <TABLEDATA> | ivo://archive.stsci.edu/cone/galex
GALEX Image Index | image | http://galex.stsci.edu/gxWS/SIAP/SIAP.asmx/SIAPToVOTable?pos=160,33&size=1&format=&bandpass= | <TABLEDATA> | ivo://archive.stsci.edu/siap/galex

#CENCOS Cone Search | table |  http://obelix.lambrate.inaf.it/vodb/ConeSearch?CAT=CDFS&RA=16&DEC=39&SR=1.0 | notfunctioning_xmlerror
#CENCOS SIAP  VOTable | table |  http://obelix.lambrate.inaf.it/vodb/getSiapInfo?CAT=CDFS&POS=3,3&SIZE=19 | notfunctioning

### NESSI Image Mosaicking | service | https://dtf-test1.sdsc.teragrid.org:8443/clarens/web/js/mosaic/index.html | notfunctioning
### NESSI Multi-Survey FITS Image Cutout | service | https://dtf-test1.sdsc.teragrid.org:8443/clarens/web/js/cutout/index.html | notfunctioning

WESIX | wesix | http://nvogre.phyast.pitt.edu:8080/wesix/ | 

#http://skyview.gsfc.nasa.gov/cgi-bin/runquery.pl?NWINDOW=on&float=on&pixels=100&position=m31&survey=DSS

SDSS Database  | skynode | http://openskyquery.net/nodes/SDSS/nodeb.asmx | ivo://sdss.jhu/openskynode/sdss
GALEX Database | skynode | http://galex.stsci.edu/skynode/ogalex/nodeb.asmx | ivo://archive.stsci.edu/galex/SKYNODE
SAGE Database  | skynode | http://mastweb.stsci.edu/skynode/sage/nodeb.asmx | ivo://archive.stsci.edu/sage/SKYNODE
GSC2 Database  | skynode | http://gsss.stsci.edu/GSC23Skynode/nodeb.asmx | ivo://archive.stsci.edu/gsc23skynode