This was a first attempt. Will try again this evening, weather permitting. The details are:
Telescope: RCOS 36.8cm Ritchey Chretien at F9
Camera: STXL11002
Filter: Baader Hydrogen Alpha
Exposure: .02 second
Cheers
Steve
http://members.pcug.org.au/~stevec/V...ter_300615.jpg