This shot was taken over the course of 4 nights over the summer. I was lucky enough to have clear enough skies to capture 12 x 600 subs for both panes using both an Ha and OIII filter.
Equipment Details:
Date: 2009-07-12, 15, 24 and 25
Location: South Common Observatory
Scope: Astro Professional 102ED
Camera: SXV-H9
Guide Scope: Celestron C8
Guide Camera: SX Guidehead
Exposure (Ha 2 frames): 12 x 600 seconds
Exposure (OIII 2 frames): 12 x 600 seconds