Crescent Nebula in Emission-Line
|
NGC6888 |
|
 |
Object |
| Type |
Supernova Remnant |
| Constellation |
Cygnus |
| Distance |
5,000 ly |
| More
Info |
|
|
Image |
| Date |
15 Sep 2008 (Summer) |
| Place |
Carlsbad, CA |
| Exposure
Data |
Ha 180 mins @ -10C
Ha 12x15 (bin 1x1) |
| Notes |
|
|
Equipment |
| Optics |
Takahashi MT200 Newtonian |
| Focal
Length |
1200mm @f/6 |
| Mount |
Astro-Physics 900GTO |
| Camera |
SBIG ST-2000XM |
| Focuser |
|
| Filters |
CFW10A, Astrodon 6nm Ha |
| Software |
Maxim DL, CCDStack, Photoshop |
|
|
