
M27 (Dumbbell Nebula)
| Object | M 27 |
| Date | June, 23rd 2012 |
| Telescope | TS ONTC 12″ f/5.3 |
| Eff. FL & f-ratio | 1180 mm f/3.9 |
| Camera | ATIK 383L+ Mono |
| Chip Temp | -15°C |
| Filter | Astronomik H-alpha 13nm |
| Mount | Losmandy G-11 |
| Guider | Starlight Xpress Lodestar (2×2 binning) |
| Subframes | 12×600 s H-alpha (1×1 binning) |
| Total exposure | 2 hours |
| Capturing | CCD Autopilot 5 (Halpha) |
| Reduction | CCDStack 2+ |
| Processing | CCDStack, Photoshop |