Hi all,
here's another image from last night - the Trifid and Lagoon Nebs. It was taken with the Sigma 70-200mm f2.8 APO + a 1.4x telextender. Thus 200 x 1.4 x 1.6 = 448mm f4.
The transparancy last night was bad - high humidity, chimney smoke?, high cloud etc so the sky looks a little brown...
A larger image can be seen at:
http://www.possumobservatory.co.nz/l...050416-web.jpg
or
http://tinyurl.com/b8mz5
Cheers
John