Bubble Nebula in Emission-Line
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NGC7635 |
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Object |
Type |
Planetary Nebula |
Constellation |
Cassiopeia |
Distance |
11,000 ly |
More
Info |
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Image |
Date |
28 Jun 2014 (Summer) |
Place |
Palomar Mountain, CA |
Exposure
Data |
SII:Ha:OIII 75:150:75 mins @ -20C
SII 5x15 (bin 2x2), Ha 10x15 (bin 1x1), OIII 5x15 (bin 2x2) as RGB |
Notes |
Cropped 50%
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Equipment |
Optics |
DSI RC10C Corrected RC Astrograph |
Focal
Length |
1867mm @f/7.3 |
Mount |
Astro-Physics 900GTO |
Camera |
FLI ML-6303E |
Focuser |
Built-in Secondary Focuser |
Filters |
FLI CFW2-7, Astrodon 3nm SII, Ha, OIII |
Software |
Maxim DL, CCDStack, Photoshop |
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