M57
M57
Object | |
| Description: | Ring Nebula |
| Type: | Planetary Nebula |
| Constellation: | Lyra |
| Distance: | 2,300 ly |
Image | |
| Date: | July 2, 2011 |
| Location: | Palomar Mountain, CA |
| Exposure: | R 3x5, G 3x5, B 3x5 (bin 1x1) |
Equipment | |
| Optics: | Celestron C11 Carbon Fiber SCT w/XLT |
| Focal Length: | 1700mm @f/6 |
| Mount: | Astro-Physics 900GTO |
| Camera: | SBIG ST-10XME |
| Focuser: | Robo-Focus |
| Filters: | CFW10A, Astrodon RGB |
| Software: | Maxim DL, CCDStack, Photoshop |