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 |
7/25/2009 |
| Place |
Palomar Mountain, CA |
| Exposure
Data |
SII:Ha:OIII 60:160:60 mins @ -10C
SII 6x10, Ha 16x10, OIII 6x10 (bin 1x1) as RGB |
| Notes |
|
|
Equipment |
| Optics |
Takahashi MT200 |
| Focal
Length |
960mm @f/4.8 |
| Mount |
Astro-Physics 900GTO |
| Camera |
SBIG ST-10XME |
| Focuser |
TAK MEF-1 |
| Filters |
CFW10A, Astrodon 6nm SII, 3nm Ha, 6nm OIII |
| Software |
MaxIm DL, CCDStack, Photoshop |
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