Pentax 200mm F2.5 lens stopped down a half stop to F3

Halpha = 2hrs 30min

2.5deg X 1.9deg FOV

Equipment used
StarlightXpress SXV-H9
Mogg adapter Starlight-PentaxK
Pointing and scope control by FS2 and STAR Atlas:PRO
see: http://www.pbase.com/strongmanmike2002/who_to_buy_equipment_from

Halpha only version: http://www.pbase.com/strongmanmike2002/image/70363274/original

RGB colour data provided by this beautiful image by Jon Christensen

http://www.christensenastroimages.com/nebula/m42_2005.htm

Image published in Jan/Feb 2007 issue of Australian Sky & Telescope

2nd place in CCD image category - 2007 AAGC Astroimaging Contest, La Palma, Canary Islands

Click on "original" size below for a larger view