Pacman Nebula in Emission-Line
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NGC281 |
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Object |
| Type |
Nebula |
| Constellation |
Cassiopeia |
| Distance |
10,000 ly |
| Magnitude |
7 |
| Angular
Size |
35 arc min |
| Size |
|
| More
Info |
APODEssay by Robert Gendler © |
|
Image |
| Date |
12/29/2006 |
| Place |
Carlsbad, CA |
| Exposure
Data |
SII:Ha:OIII 165:285:165 mins @ -20C
SII 11x15, Ha 19x15, OIII 11x15 (bin 1x1) as RGB |
| Notes |
Astromart's Picture of the Day 1/19/2007
Ha also used as the Luminance layer |
|
Equipment |
| Optics |
Takahashi FSQ-106N Refractor |
| Focal
Length |
530mm @f/5 |
| Mount |
Celestron CGE |
| Camera |
SBIG ST-2000XM (KAI-2020M) |
| Focuser |
Robo-Focus |
| Filters |
CFW10A, Astrodon 6nm SII, Ha, OIII |
| Software |
Maxim DL, Registar, Photoshop |
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