The Three Galaxies M81, M82 and NGC3077
300mm F2.8 MX916 binned 2x2
20 minutes (10 x 120 second exposure)
Hydrogen alpha filter (lumicron)
(http://homepage.ntlworld.com/paul_whitmarsh/Astronomy/Images/MX916/Dec_20_2003/M81-M82ha.png)
[ This Message was edited by: Whitters on 2004-01-31 20:38 ]