M97 & M108 in Ursa major

Photo Details:

• Instrument: ASA N10 Astrograph(965mm - f/3.8)
• Filters: None
• Exposure: 42 x 5 minutes @ ISO 800
• Camera: Canon 20Da with Hutech Type I Filter
• Software: Images Plus, Photoshop CS2, Registar
• Location: Mountain Ranch, California, El. 2500ft (120d 30' 02" W & 38d 14' 01" N)
• Date: May 8, 2007
• Comments: The faint multiple rainbows were caused by reflections off of a secondary counter balance weight.