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List of SkyServer Sites Available

The various SkyServer sites and their URLs are listed in the following tables for each of the currently available data releases. If any part of the URL is enclosed in square brackets [], that part is optional (main URL defaults to that branch). For direct programmatic access to pages on skyserver sites, please refer to the API help page on that particular site for the full URL. The URLs listed below are only for browser access.

Release Access FNAL JHU
DR5 Public cas.sdss.org/[dr5] skyserver.sdss.org/[dr5]
Astro cas.sdss.org/astro ---
Collab
IP-Restricted
cas.sdss.org/collabdr5 ---
Collab
Password
cas.sdss.org/collabdr5pw ---
CasJobs casjobs.sdss.org/casjobs
DR5 context
---
DR4 Public cas.sdss.org/dr4 skyserver.sdss.org/dr4
Astro cas.sdss.org/astrodr4 ---
Collab
IP-Restricted
cas.sdss.org/collabdr4 ---
Collab
Password
cas.sdss.org/collabdr4pw ---
CasJobs casjobs.sdss.org/casjobs
DR4 context
---
DR3 Public cas.sdss.org/dr3 skyserver.sdss.org/dr3
Astro cas.sdss.org/astrodr3 ---
Collab
IP-Restricted
cas.sdss.org/collabdr3 ---
Collab
Password
cas.sdss.org/collabdr3pw ---
CasJobs casjobs.sdss.org/casjobs
DR3 context
---
DR2 Public --- skyserver.sdss.org/dr2
DR1 Public --- skyserver.sdss.org/dr1


The following two tables show a view of the different sites organized by physical location, and it also lists the datasets (DBs) available at each site. The default database at each site is the one corresponding that release.

URL cas.sdss.org
Site FNAL
Function DR5 public (default) DR5 collab DR5 astro   DR4 public DR4 collab DR4 astro
Extension /[/dr5] /collabdr5
/collabdr5pw
/astro   /dr4 /collabdr4
/collabdr4pw
/astrodr4
DBs BESTDR5,TARGDR5   BESTDR4,TARGDR4

URL skyserver.sdss.org
Site JHU
Function EDR public main DR1 public main DR2 public main DR3 public mirror
Extension /edr /dr1 /dr2 /dr3
DBs BESTDR2,TARGDR2,BESTDR1,
SkyServerV3 (EDR)
BESTDR3, TARGDR3, BESTDR2