637 crop 1.3X
609 crop 1.3X| 0bject | NGC 637 and NGC 609 Open clusters in Cassiopeia |
| Date | November 12, 2013 |
| Exposure | LRGB 60:60:60:60 (L synthesized from RGB, cropped) |
| Camera | STL11000M with AstroDon Gen II filters (water-assisted cooling) |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | Remote guide head with MiniBorg 50 mm |
| Processing | MaximDL, Photoshop CS5, GradientXterminator, AstroActions |
| Comments | Very good seeing, but with waxing Moon in the west |