About this Image |
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Located at a distance of about 1,600 light years,
the Orion Nebula is the brightest diffuse nebula in the sky, visible to the naked eye.
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| Optics |
16" cassegrain in secondary focus at f/10 |
| Mount | MK-100 GEM |
| Camera | SBIG STL-11000M at -25C, internal filter wheel, AO-L |
| Filters | Astronomik RGB |
| Date | Oct 30, 2006. |
| Location | Wildon/Austria |
| Sky Conditions | mag 5.5 sky, high transparency, seeing 1.7" (raw FWHM), temperature 5C |
| Exposure | R:G:B = 6:3:3 minutes (1-minute sub-exposures), |
| Processing |
Image aquisition in Maxim, image calibration, deconvolution in CCDStack;
highpass filtering, color balance, curves, unsharp mask in Photoshop; north is up; |