M57, Ring Nebula, NGC6720, f/10
Date: June 8, 2007
Telescope: Celestron 11 XLT, f/10, CGE mount
Camera: Starlight Xpress SXV-H9C
Exposure: 37 2-min subframes (74 min total) guided with Meade DSI color and piggybacked Meade DSX-90 at f/13.8 using PHD Guiding.
Comments: Baader UV/IR cut filter, seeing was only fair.
All content Copyright ©2006 Gary Breneman
