Pacman Nebula in Emission-Line
|
NGC281 |
|
 |
Object |
| Type |
Nebula |
| Constellation |
Cassiopeia |
| Distance |
10,000 ly |
| More
Info |
|
|
Image |
| Date |
12 Oct 2012 (Fall) |
| Place |
Palomar Mountain, CA |
| Exposure
Data |
SII:Ha:OIII 180:180:180 mins @ -20C
SII 9x20, Ha 9x20, OIII 9x20 (bin 1x1) as RGB |
| Notes |
Ha also used as the Luminance layer
|
|
Equipment |
| Optics |
Takahashi FSQ-106N Refractor |
| Focal
Length |
530mm @f/5 |
| Mount |
Astro-Physics 900GTO |
| Camera |
SBIG ST-10XME |
| Focuser |
Robo-Focus |
| Filters |
CFW10A, Astrodon 3nm SII, Ha, OIII |
| Software |
Maxim DL, CCDStack, Photoshop |
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