[ Home ] [ Welcome ] [ Activities ] [ Outreach ] [ Sun ] [ Moon ] [ Planets ] [ Stars ] [ Resources ] [ Weather ] [ Equipment ] [ Fireplace ] [ Team ] — REFRACTORLAND OBSERVATORY : ASTRONOMICAL RESOURCES — “To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge...” ( Nicolaus Copernicus ) * * * * * * * * * * * * * * * * * * by Andrew L. Johnson (Mag. > 7.25)
* * * * * * * * * FourmiLab [ Your Sky Interactive Planetarium ] * Neave Planetarium [ Interactive Planetarium ] ...set your own location and date and go full screen...! * WikiSky [ Interactive Sky Map ] ...you don't want to miss this one...! * Atlas of the Universe [ An Interactive Trip into the Universe ] * NASA [ Eclipses Web Site ] * Jet Propulsion Lab. Astronomical Videos [ Great JPL Videos ] * Hubble Space Telescope Picture Gallery [ Solar System ] [ Galaxies ] [ Nebulaæ ] [ Stars ] [ Entire Collection ] * The Washington Double Star Catalog [ WDS Home Page ] Journal of Double Star Observations [ JDSO Home Page ] An International Network of Double Stars Observers [ The Spirit of 33 ] [ S33 Document Server ] * Supernovæ Net [ Supernovæ Links ] * Association of Variable Stars Observers [ AAVSO Home Page ] * USNO [ Data Services ] * Astronomical Software [ A list of multi-platform Astronomical Software ] * The World's Largest Optical Telescopes [ BigEyes list on "Nine Planets" ] [ Largest Reflecting Telescopes on "Wikipedia" ] [ Largest Refracting Telescopes on "Wikipedia" ] * Cloudy Nights Astronomical Community [ Home Page ] [ Forums ] * Classic Telescope Catalogs and Manuals [ A Great Collective Effort ] * Exploratorium [ Ancient Observatories ] * * * * * * * * *
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