Links Astronomy Clubs Cal Poly Astronomy Club Cal Poly Observatory Central Coast Astronomical Society The Planetary Society Vandenberg Amateur Astronomical Society Blogs Bad Astronomy The Transient Sky Catalogs Messier Catalog Photographic NGC Catalog SIMBAD Stelle Doppie The complete Messier Catalog with Telrad maps VizieR Washington Double Star Catalog Current Sky Info CalSky Comet Chasing Heavens Above SkyMaps (free monthly sky map) SpaceWeather.com The Night Sky This Month US Light Pollution Map NASA Projects Curiosity (Mars Science Laboratory) Hubble Space Telescope James Webb Space Telescope Kepler Telescope Solar and Heliospheric Observatory – Latest Images Software Stellarium