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NGC 6946 and NGC 6939
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| Technical Details | |
| Telescope: | Pentax apo SDHF 75 f/6.7 |
| Mount: | Takahashi EM10 german equatorial mount |
| Camera: | SBIG ST8E ABG + SBIG CFW8 (standard RGB filter set) |
| Exposure: | L:R:G:B = 80:20:20:40 min |
| Location: | Piano Battaglia, Madonie Mountains (Palermo - Sicilia), Italia |
| Date: | July 29, 2006 |
| Software: | Maxim DL 4.5, Photoshop CS, PixInsight SE 1.0 beta 3 |
| Image acquired in collaboration with Gianni Tumino, image processing by Enzo Santin | |