M 81 aka Bode's Galaxy
Distance from Earth: About 12 million light years
Constellation: Ursa Major
Telescope: 12.5"RCOS
Camera : STL11000M using off axis guiding
Mount : AP1200
Image date: Mar 2008
-- Filters used and total time--
Luminous 160 minutes
Red 45 minutes
Green 45 minutes
Blue 45 minutes
Ha
OIII
SII