Object | |
| Description: | Crescent Nebula in Emission-Line |
| Type: | Supernova Remnant |
| Constellation: | Cygnus |
| Distance: | 5,000 ly |
Image | |
| Date: | May 17, 2008 |
| Location: | Carlsbad, CA |
| Exposure: | Ha 12x15 (bin 1x1) |
Equipment | |
| Optics: | Vixen VC200L Corrected Reflector |
| Focal Length: | 1280mm @f/6.4 |
| Mount: | Astro-Physics 900GTO |
| Camera: | SBIG ST-2000XM |
| Focuser: | Robo-Focus |
| Filters: | CFW10A, Astrodon 6nm Ha |
| Software: | CCD Commander, MaxIm DL 4, CCDStack, Photoshop cs3 |
