Monochrome inverted
What Is It?
What It Is
|
Object |
M51 Galaxy in Canes Venatici |
| Date | May 5-8, 2010 |
| Exposure | LRGB 340:30:30:30 (cropped; 7.1 hours total) |
| Camera | STL11000M with Astronomik filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | External guide head with 50mm MiniBorg |
| Processing | MaximDL, Photoshop CS, AstroActions |
| Comments | Cool and clear, some thin high clouds, good seeing (FWHM 3-4) |