Catalogs & Lists Messier Objects Caldwell Objects Hidden Treasure List Herschel 400 Objects Deep Sky Challenges Solar System Sky Tours Galaxies ARP Galaxies Hickson Galaxy Groups Irregular Galaxies Flat Galaxies Ring Galaxies Rose Compact Galaxy Groups Shakhbazian Groups UGCA Galaxies Vorontsov-Velyaminov Galaxies Distant Galaxies Abell Galaxy Clusters Highlightsby Year | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | Highlightsby Constellation | UMa | | Imaging Sessions Image Sessions Animations Asteroid Movements (animated Gifs ) Image Database Image Database [ Supernovae ] [ Messier Objects ] [ Caldwell Objects ] [ Herschel 400 Objects ] [ Hidden Treasures ][ Active Galaxy Nuclei ] [ Abell Galaxy Clusters ] [ ARP Galaxies ] [ Ring Galaxies ] [ Distant Galaxies ][ Novae ] [ UGCA Galaxies ] [ Flat Galaxies ] [ Planetary Nebula ] [ Irregular Galaxies ][ Deep Sky Challanges (Ast.Now) ] [ M31 Transients ] [ M33 Transients ] [ Abell Galaxy Clusters ] [ Hickson Galaxy Groups ] [ Local Group Galaxies ][ Rose Compact Galaxy Groups ] [ Shakhbazian Groups ] [ Vorontsov-Velyaminov Galaxies ][ Globular Star Clusters ] [ Open Star Clusters ] [ Nearby Stars ] [ Nebulae ]