M81/M82 or NGC3981/3957  
M81-M82 in Ursa Major

M81-M82 in Ursa Major(Phil Hart)

Acquisition Date : January 30th, 2006
Camera : Canon 20D (Hutech, Clear Filter)
Camera Settings : ISO 1600
118 * 46 seconds (90 minutes)
Telescope : Takahashi Epsilon 160 f3.3
Mount : Vixen GP-DX
Adapter / Prime / Afocal / Other : Prime Focus
Processing Package / Processing Applied : Images Plus
Registar
Photoshop
Web Site : www.philhart.com/astrophotography

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