Elephant Trunk Nebula (VdB142) in Emission-Line
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IC1396 |
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Object |
| Type |
Dark Nebula |
| Constellation |
Cepheus |
| Distance |
2,400 ly |
| Magnitude |
3.5 |
| Angular
Size |
170 arc min |
| Size |
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| More
Info |
APODEssay by Robert Gendler © |
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Image |
| Date |
9/18/2009 |
| Place |
Palomar Mountain, CA |
| Exposure
Data |
SII:Ha:OIII 60:120:60 mins @ -10C
SII 4x15 (2x2), Ha 8x15 (1x1), OIII 4x15 (bin 2x2) as RGB |
| Notes |
|
|
Equipment |
| Optics |
Takahashi FS-60C Refractor |
| Focal
Length |
290mm @f/4.8 |
| Mount |
Astro-Physics 900GTO |
| Camera |
SBIG ST-10XME |
| Focuser |
Robo-Focus |
| Filters |
CFW10A, Astrodon 6nm SII, Ha, OIII |
| Software |
MaxIm DL, CCDStack, Photoshop |
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