The motivation for imaging this faint cluster of stars came after failing to visually observe it last week. The open cluster NGC 6791 is located in the constellation of Lyra, has a magnitude of 9.5, and is approximately 10 arc minutes in diameter.

Date: October 30, 2011
Location: Dominion Astrophysical Observatory, Victoria, BC
Optics: TeleVue NP-127is, f/5.2
Mount: Paramount ME, guided using PhD
Camera: Canon 7D
Exposure: 30 light frames of 60 seconds, ISO 800