About this Image |
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M 78 grouped with NGC 2071 are in the shadow of the famous M42 Nebula in Orion, yet they are very complex
and colorful reflection nebulae with embedded star forming regions in brown-red color (Herbig Haro objects). |
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Optics |
16" Cassegrain in prime focus at f/3 |
Mount | MK-100 GEM |
Camera | SBIG STL-11000M at -30C, internal filter wheel |
Filters | Astronomik 2" LRGB + H-alpha |
Date | Jan 30, 2005. |
Location | Wildon/Austria |
Sky Conditions | mag 5, temperature -3C |
Exposure |
L:R:G:B = 65:15:15:20 minutes (5-minute sub-exposures).
Ha = 30 min (10-minute sub-exposures) |
Processing | Image aquisition and calibration in Maxim DL, DDP in ImagesPlus; color balance, curves in Photoshop; Noise reduction by Neatimage; |