M27, The Dumbell Nebula
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| 1023x768 | 1280x961 | 2532x1900 |
| Date | 08/17/2009,09/21/2009 |
|---|---|
| Conditions | Transparency 2/5, Seeing 3/5 |
| Scope | TEC-140 w/ TEC field flattener |
| Mount | MI-250 |
| Camera | QSI583wsg |
| Exposure | L/R/G/B/Ha : 4x10min/4x10min/4x10min/4x10min/12x30min |
| Processing | ACP/MaximDL, acquisition; ImagesPlus, alignment/stacking, ddp; PS CS3, levels, curves, Noel's Actions, space noise; Gradient Exterminator |