Crop | 0bject | vdB 4 Reflection nebula in Cassiopeia (also LDN 1291, NGC 225, Stock 24) |
| Date | September 23-24, 2020 |
| Exposure | LRGB 180:60:60:50 (5.9 hours, cropped) |
| 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 | Good seeing; acquired with CCD Commander from Animas, NM |
| 0bject | NGC 225 Open cluster & vdB 4 Reflection nebula in Cassiopeia |
| Date | August 15-19, 2013 |
| Exposure | LRGB 261:60:60:150 (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 | Moderate seeing; wasxing moon in the south; acquired with CCD Commander |