M13, The Great Cluster in Hercules
 | |
| 1024x653 | 1280x816 | 2422x1544 |
| Date | 07/12/2009 |
|---|---|
| Conditions | Transparency 3/5, Seeing 3/5 |
| Scope | TEC-140 w/ TEC field flattener |
| Mount | MI-250 |
| Filters | Baader UV-IR Cut |
| Camera | QHY-8 |
| Exposure | 30x200s, Gain 20, Offet 117 |
| Processing | ACP/MaximDL, acquisition; ImagesPlus, bayer interpolation, alignment/stacking, ddp, ARL; PS CS3, levels, curves, Noel's Actions, space noise; Gradient Exterminator |