M81 Bodes galaxy in Ursa Major 20'th of Februar 2011
C8 at F10, SBIG ST-4000XCM -40C 3h10min (19x600sec).
Light travel time: 12 mill years.
Conditions: Poor, rate 5 of 10, Moon was rising and created background gradient that was removed in IRIS. Guiding influenced by wind.
Processing: CCDSoft, Astroart, IRIS, PSE9 adjustments.