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Trifid and Lagoon photo tests

Date:29 Oct 2007 (NZST)
Time:19:05 (NZST)
Title:Trifid and Lagoon photo tests
 
Used 75-300 mm lens on EOS350D piggypack on driven C8 for photos.
Best image of Trifid and Lagoon O209456LagoonTrifid, 30" f/8 iso 1600.
Using 20" f/8 400 asa shows almost no nebulosity.
Using 30" f/8 800 asa shows almost no nebulosity.
Using 15" f/8 1600 asa shows some in M8 but not M20.
Sky unsteady but warm and fairly clear.



 
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