Catalogs & Lists Messier Objects [ Messier Objects ] Caldwell Objects [ Caldwell Objects ] Common Name Objects [ Common Name Objects ] Hidden Treasure List [ Hidden Treasures ] Herschel 400 Objects [ Herschel 400 Objects ] Deep Sky Challenges [ Deep Sky Challanges (Ast.Now) ] Solar System Solar System Comets [ Comets ] Sky Tours Stars & Clusters Nearby Stars [ Nearby Stars ] Novae [ Novae ] Globular Star Clusters [ Globular Star Clusters ] Open Star Clusters [ Open Star Clusters ] Nebulae Nebulae [ Nebulae ] Planetary Nebula [ Planetary Nebula ] Galaxies ARP Galaxies [ ARP Galaxies ] Distant Galaxies [ Distant Galaxies ] Flat Galaxies [ Flat Galaxies ] Irregular Galaxies [ Irregular Galaxies ] Ring Galaxies [ Ring Galaxies ] Spiral Galaxies [ Spiral Galaxies ] UGCA Galaxies [ UGCA Galaxies ] Objects in Galaxies Extragalactic Objects Within Galaxies [ Extragalactic Objects Within Galaxies ] M31 Transients [ M31 Transients ] M33 Transients [ M33 Transients ] Active Galaxy Nuclei [ Active Galaxy Nuclei ] Galaxy Groups Local Galaxy Group [ Local Group Galaxies ] Abell Galaxy Clusters [ Abell Galaxy Clusters ] Hickson Galaxy Groups [ Hickson Galaxy Groups ] Palamar Compact Galaxy Groups [ PCG Groups ] Rose Compact Galaxy Groups [ Rose Compact Galaxy Groups ] Shakhbazian Groups [ Shakhbazian Groups ] Vorontsov-Velyaminov Galaxies [ Vorontsov-Velyaminov Galaxies ] Supernovae Supernovae [ Supernovae ] Supernova Remnants [ Supernova Remnants ] 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 style="border: 1px solid black"