NGC6888
NGC6888
Object | |
| Description: | Crescent Nebula in Emission-Line |
| Type: | Supernova Remnant |
| Constellation: | Cygnus |
| Distance: | 5,000 ly |
Image | |
| Date: | June 8, 2013 |
| Location: | Palomar Mountain, CA |
| Exposure: | Ha 10x15 (bin 1x1) |
Equipment | |
| Optics: | DSI RC10C Corrected RC Astrograph |
| Focal Length: | 1867mm @f/7.3 |
| Mount: | Astro-Physics 900GTO |
| Camera: | QSI 683wsg-8 |
| Focuser: | Built-in Secondary Focuser |
| Filters: | Astrodon 3nm Ha |
| Software: | MaxIm DL, CCDStack, Photoshop |