Astrophotography of Galaxies
M81 and M82
Date: February 6, 2008
Telescope: Celestron 8 XLT f/2 on CGE mount
Camera: Starlight Xpress SXV-H9C
Exposure: 14 5-min subframes (70 min total) guided with Meade DSI pro and piggybacked Meade DSX-90 at f/13.8 using PHD Guiding.
Comments: HyperStar3 lens, Baader UV/IR cut filter