The Ring nebula, 2009-09-05 In Color!
The Ring nebula, 2009-09-05 In Color!
The Ring nebula, 2009-09-05 In Color!
The Ring nebula in visible light, 2008-06-03
The Ring nebula in Hydrogen Alpha light, 2008-06-03
The Ring Nebula in Lyra, 2006-10-17
The Ring Nebula in Lyra, 2006-09-18
The Ring Nebula in Lyra, 2004-09-08 In Color!