M13 - Stack of 5 exposures
This is from a workshop session at the Victoria Centre Observatory.
Details
Conditions - clear warm with poor seeing.
Equipment 14" Meade SCT on Paramount ME with starshoot autoguider on 4" refractor. Camera is Canon T1i.
Exposure - 3 light and 3 dark frames at 240s each plus 2 light and 2 dark at 30s each. ISO 3200.
Processing in Images Plus and Photoshop.