Hi all, a quickie from Friday night under a half-ish moon.
Increasing brightness from moon washed out Saturday's attemps.
Orion Nebula in Ha
Canon Astro 40D
Canon 70-200mm f4L IS lens
FL=200mm, f4, iso1600, Avg temp -10ºC. 7x20min subs (140mins total)
Astronomik 12nm Ha EOS clip-in filter
Thanks for looking - all comments appreciated.
Higher Res...
http://s327.photobucket.com/albums/k...urrent=11f.jpg
Cheers
Doug
