NGC 457
Wide Field View
|
0bject |
NGC 457 Open Cluster in Cassiopeia |
| Date | December 3, 2009 |
| Exposure | LRGB 8:20:20:20 (unbinned, cropped) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.7 on AP900 GTO CP3 |
| Guiding | Remote guide head with mini Borg 50mm |
| Processing | MaximDL, Photoshop CS3, GradientXterminator, AstroActions |
| Comments | Clear and quite cold; polar alignment checkout |
