NGC 6559 is a star-forming region located at a distance of about 5000 light-years from Earth, in the constellation of Sagittarius, showing both emission (red) and reflection (bluish) regions.

Telescope: Astro Physics 155EDF f7
Mount: Astro Physics 1200GTO
Camera: SBIG STL-11000M
Guider: SBIG STL-Remote OAG

L: 16×10 mins = 160 mins, R: 6×10 mins = 60 mins, G: 6×10 mins = 60 mins, B: 6×10 mins = 60 mins

Total Imaging Time: 5h 40m

Data Imaged remotely over 4 nights during September 2007.
Data acquisition & Processing by David Churchill.

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