This observation took place at the 2005 Mid-Atlantic Star Party (MASP). Conditions were just perfect and I was really satidfied the GP/DX mount could guide for 10 minutes.

Acquisition Details:
Date: 11/03/2005
Exposure: Ha: 120 min (12x10 minutes unbinned)
Telescope: Takahashi FS-60C + UV block filter
Mount: Vixen GP/DX
Camera: SXV-H9