Bubble Nebula in Emission-Line
|
NGC7635 |
|
 |
Object |
| Type |
Planetary Nebula |
| Constellation |
Cassiopeia |
| Distance |
11,000 ly |
| More
Info |
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|
Image |
| Date |
06 Dec 2005 (Fall) |
| Place |
Carlsbad, CA |
| Exposure
Data |
SII:Ha:OIII 60:250:60 mins @ -20C
SII 4x15 (bin 2x2), Ha 25x10 (bin 1x1), OIII 4x15 (bin 2x2) as RGB |
| Notes |
The Ha data was collected by the C11 on 10/29/04. The SII and OIII were collected by the FSQ-106 on 12/06/05
Ha also used as the Luminance layer |
|
Equipment |
| Optics |
Celestron C11 / Takahashi FSQ-106N |
| Focal
Length |
1764mm @f/6.3 |
| Mount |
Celestron CGE |
| Camera |
SBIG ST-2000XM |
| Focuser |
Optec TCF-S / Robo-Focus |
| Filters |
Astronomik 13nm Ha, Astrodon 6nm SII, OIII |
| Software |
CCDSoft 5, Maxim DL 4, Photoshop cs |
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