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 [ ARP Galaxies ] [ Caldwell Objects ] [ Messier Objects ] [ Herschel 400 Objects ] [ Deep Sky Challanges (Ast.Now) ] [ Hidden Treasures ][ Nearby Stars ] [ Nebulae ] [ Novae ] [ Planetary Nebula ] [ Globular Star Clusters ] [ Open Star Clusters ] [ Supernovae ] [ Supernova Remnants ][ Active Galaxy Nuclei ] [ Abell Galaxy Clusters ] [ Abell Galaxy Clusters ] [ Distant Galaxies ][ Hickson Galaxy Groups ][ Flat Galaxies ] [ Irregular Galaxies ] [ Ring Galaxies ] [ Local Group Galaxies ] [ M31 Transients ] [ M33 Transients ][ Rose Compact Galaxy Groups ] [ Shakhbazian Groups ] [ UGCA Galaxies ] [ Vorontsov-Velyaminov Galaxies ] style="border: 1px solid black"