| 0bject | NGC 6939 Open cluster in Cepheus |
| Date | August 4, 2018 |
| Exposure | RGB 60:50:50 (cropped, 2.7 hours) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS6 |
| Comments | Poor seeing; acquired with CCD Commander from Animas NM |