M27 - Dumbbell Nebula

M27

Acquisition

Date/Time: 2011/07/01 @ 22:13 EDT (2011/07/02 02:13 UTC).
Light Frames: 90 frames x 20 seconds @ 800 ISO (total = 30 minutes).
Dark Frames: None
Instrument: Celestron 8 @ f/6.3 (Hirsch Focal Reducer), Canon Rebel Xs (not modified).
Filtering: No filtering.
Guiding Instrument: No auto-guiding (darn driver problems!)
Hemmingford, QC, Canada (LO = -73 35 12  LA = 45 03 01).

Conditions
Transparency: 2/5
Turbulence: 2.5/5

Processing
Processed with DeepSky Stacker & The Gimp.

Comments
- Auto-guiding problems forced taking short exposures instead of longer ones (e.g. 2 minutes)
- Sub-optimal atmospheric conditions