M 81 and M 82

PDF versionPDF version

M81, seen here at left, is a grand design spiral galaxy that forms a physical pair with irregular galaxy M82. They are separated by 150,000 light years. This is LRGB image taken with Barlow Corrector on ASA 12 inch Astrograph. Resulting focal ratio is F/6.3. Exposure times are resp. 60, 30, 30 and 30 min. 

M 81 and M 82