M81/M82 (Galaxies in Ursa Major)

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Date: December, 2010
Location: Elizabeth, CO. ~6500 ft., Mag 5.5 skies

16" f/4.9 Newtonian, Pegasus Optics primary

6" f/4.4 Newtonian, Parks optics

Mount: Mathis Intsruments MI-500

16": 190 mins STL-1100M luminance, plus 90 mins Ha

6": 120 mins ST-4000XCM, concurrently collected


16": 3" ASA Keller/Wynne coma corrector

6": 0.73x ASA reducer

Seeing: ~2.5"
Comments: Processed using Maxim, Registar, CCDStack, PhotoPaint X4

Return to the Galaxy Images page or The Bell Observatory homepage or go to SEDS page (astronomical information on M81, or M82)