For those who like B&W Halpha shots, this is just the 75min (5 X 15min) of Halpha with 13nm Astronomik low reflection filter.
As you can see the relatively broad band pass of the Astronomik Ha filter (13nm) retains plenty of stars while still enhancing the HII nebuloisty
Small (800k)
http://www.pbase.com/strongmanmike20...74636/original
Large (1.5meg)
http://www.pbase.com/strongmanmike20...74646/original
No "I feel dizzy" colours this time
Mike