Hα data| 0bject | Sh2-290 Planetary nebula in Cancer (Abell 31, PK 219+31.1) |
| Date | January 2-12 and March 6-15, 2014 |
| Exposure | HαLRGB 1395: 42:60:60:60 (cropped) 26.95 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, GradientXterminator, AstroActions |
| Comments | Moderate seeing and cold most nights; acquired with CCD Commander |