M57
M57
Object | |
| Description: | Ring Nebula |
| Type: | Planetary Nebula |
| Constellation: | Lyra |
| Distance: | 2,300 ly |
Image | |
| Date: | July 26, 2007 |
| Location: | Carlsbad, CA |
| Exposure: | Lum 10x2, Ha 10x1, SII 10x1, OIII 10x1 (bin 1x1) |
Equipment | |
| Optics: | Vixen VC200L Corrected Reflector |
| Focal Length: | 1800mm @f/9 |
| Mount: | Astro-Physics 900GTO |
| Camera: | SBIG ST-2000XM |
| Focuser: | Robo-Focus |
| Filters: | CFW10A, Astrodon L, 6nm SII, Ha, OIII |
| Software: | Maxim DL, Photoshop |