About this Image |
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The Virgo Cluster with its some 2000 member galaxies dominates our intergalactic neighborhood at a distance of 60 million light years; |
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Optics |
16" cassegrain in corrected prime focus at f/3 |
Mount | MK-100 GEM |
Camera | SBIG STL-11000M at -30C, internal filter wheel |
Filters | Astronomik LRGB |
Date | Mar 12-13, 2005. |
Location | Wildon/Austria |
Sky Conditions | mag 5 sky, temperature 0 C |
Exposure | L:R:G:B = 130:40:40:40 minutes (10-minute sub-exposures). |
Processing | Image aquisition in Maxim DL 4, calibration, stacking, DDP in ImagesPlus; Curves, hiogh pass filter, color balance in Photoshop; cropped, size 20/50/100%; north is up; |