Astronomy Tools
(Some links require astro cluster user login. Hyphenated phrases e.g., "Solar-Activity" or "MK star-spectra" contain multiple links.) * CU Library or other authorization may be needed / ** skycat is installed on astro cluster; type "skycat" / *** KP VLBA's humidity reading is 10-12% below MDM's
Journals	Magazines, Societies, etc.	Archives	Surveys & Atlases	Observing & Software	People & etc.	Public Outreach
[ApJ/Let/Sup] [AJ] [A&A (-2000)] [A&A Suppl] [A&A Review] [MNRAS* (-1998)] [ARAA] [PASP] [PASA] [Nature*] [Science* (-1996)*] [New Astronomy] [C.U. subsciptions*] [C.U. Library links*] [OJPS] [SCIRUS] [more journals*] [Astronomy Books] [AAS yellow pages]	[Astronomy] [Mercury] [Sky&Tel] [AAS] [IAU] [ASP] [AAVSO] [Newsletters] [Meetings] [AstroWeb] [Astro handbook] [Astro Links] [PAM] [NIST linelist] [Exgal. reference] [Planet. dynamics] [Astronomy Mall] [Contingent Universe]	[ADS Abstr - Article] [ADS Physics] [xxx astro-ph] [IAUC] [MPC] [GCN] [Astro telegram] [Sci. Cit. / CLIO] [SPIRES / ULAS] [Simbad] [NED] [CDS catalog] [Aladin] [skycat**] [VizieR] [CADC / HSTdata] [SkyView] [Multimission / IR] [HEASARC] [NCSA Images]	[DigiPOSS - w/ overlay] [APS POSS] [SDSS / 2dFGRS] [2QZ / VeronAGN] [Galaxy catalogs] [2MASS] [DENIS] [FIRST] [NVSS] [VLA] [Wenns] [ISM] [CMB] [Rosat - source] Stars:[HST Guide] [USNO] [UCAC] [HipparchosTycho] [MK star - spectra] [Landolt] [SpecPhot] [Bright] [VSNET] [CVs] [More ...]	[MDM home- Manual- Observing Schedule- Celestial Calendar] [weather/map/loop/radar] [KP sky camera/ clear?] [KP open?] [observing?] [Weather@KP,etc.***] [KPNO] [mtn] [CTIO] [Gemini] [Keck] [IRTF] [Lick] [NOAO] [NRAO] [ESO] [Chandra] [XMM] [HST] [CFH] [LCO] [APO] [Steward] [DAO] [Galex] [Sofia] [JCMT] [ING] [Subaru] [Spitzer] [BIMA] [etc] [SkyCalc] [IRAF] [AIPS] [IDL Astro / Xray IDL] [Linux Install Guide] convert: [date / frame / coordinates / energy]	[Columbia Directory] [CAL/Astro Dir] [IAU/ SPIE/ AAS list] [Astro Addresses] [StarHeads/ StarWorlds] [U.S. phone book, map] [NASA Search] [Space industry] [CCDs] [Mathematica Integral] [Dictionary/ Thesaurus] [Translate - languages] [Acronyms/ Atlas/ World] [Encyclo (wiki)pedia] [NYC: find/ events] [NYC arts/ weather] [Save the Forests!] [Help the poor!- More]	[Our Outreach] [Today's Picture] [HEASARC] [GSFC/ SDSOO SpaceLink] [Amazing Space SEDS/ Astro Cafe] [Astro Now Online] [Treasure Trove] [Planetariums] [eSky/ starchart, etc.] [eMilky Way (java)] [Heavens Above] [Powers of 10 - movie] [Space.com] [Astronomer Online] [About.com]

Other useful links: [Local Computing Resources] Time: Local Zone Time for [Columbia (NYC) / MDM Observatory (AZ) / Greenwich UTC] Local Apparent Sidereal Time for [Columbia Morningside / MDM on Kitt Peak / Input Longitude] What's the [Lunar Phase?][Earth's Shadow Position?][Solar-Activity (more)?-Tides?][Where are the planets?] [What (civil) time is it (in different zones)?] [what day is it? (you name it!)] [Perpetual Calendar] [(non-Java)] Zone time, UTC and LST provided by [USNO Online]; Earth in shadow from [xearth] Internet Astronomical Data Searches: [HEASARC Astrobrowse / AstroGLU@CDS / Starcast@STScI] Metacrawler Web Search Examples: sunspot "Alfven wave" solar+corona chromospher* [Metacrawler] queries search engines [About], [Ask Jeeves], [FindWhat], [Google], [Inktomi], [LookSmart], [Lycos/FAST/Insite], [Overture], [TEOMA/DirectHit], and returns up to the first entries per engine, if they allow (Change the default value if you want, up to about 50). Other search engines: [AltaVista], [Excite], [Infoseek/Go], [Thunderstone], [WebCrawler], [Yahoo!] OR use the [Berkeley WWW Search Site]. OR do an [Internet Archive Search] as far back as 1996 Problems with this page? Suggestions? Email arlin@astro.columbia.edu