IC4603 is part of the Rho Ophiuchi cloud complex in the constellation Ophiuchus. At about 460 light years, it’s one of the closest star forming regions to Earth.


I decided to post this even though I don’t feel like it’s a finished product. I usually try to get between 25 and 35 hours of exposure for my images, but this one only has 13. I wish the dust clouds were a little more prominent, but I kind of like the colors. IC4603 sits pretty low in the Colorado sky, about 10 degrees above the southern horizon which makes it a difficult target for me. It was tough to get more than 2 or 3 hours of good data per night. Maybe some day I’ll go back and collect some more data on this one, but for now this will have to do. 

L: 50x300" bin 1x1; R: 34x300" bin 1x1; G: 35x300" bin 1x1; B: 39x300" bin 1x1;   Total Integration: 13.2 hours  (Darks: ~15  Flats: ~15  Flat darks: ~15) Gain: 110; Sensor T: -15C

L: 50x300" bin 1x1; R: 34x300" bin 1x1; G: 35x300" bin 1x1; B: 39x300" bin 1x1; Total Integration: 13.2 hours (Darks: ~15 Flats: ~15 Flat darks: ~15) Gain: 110; Sensor T: -15C

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