Markarian's Chain
Date: May 12, 2007
Location: Seven Sisters Observatory, Manchester MI
Equipment: WO Megrez 90, Canon 10D
Conditions: Very nice - good transparancy
Film: None - DSLR @ ISO800
Exposure: 24 X 300 seconds with 3 X 300 second dark frames
Comments: The current setup is showing some flexure and I need to address it before the next clear night!