NGC 6822  -  Barnard's Galaxy

60%  resolution (4.0MB)

Object identification (4.0MB)

Object data of NGC6822

Object type: Galaxy (dwarf Irr)
Size: 15.4' x 14.2'
Magnitude: 9.3 mag
Constellation: Sgr
Distance: 1.6  Mio Ly
Notes: NGC 6822 was discovered by E.E. Barnard in 1884. This  irregular dwarf galaxy is a member of the Local Group.

There is much dust in this region of the sky, as can be seen clearly in the above image. The dust is a part of our milky way. Because we are looking through this dust at Barnard's Galaxy, the colour of NGC6822 is more reddish than it would have been without dust: E(B-V)=0.24 mag.

Exposure data

Date: 2015-10-17
Location: Hacienda Los Andes / Chile (1100m)
Telescope: Canon EF 200mm f/2.8L @ f/3.5 + mechanical stopper
Camera: EOS6D (ISO1600)
Mount: Astrotrac TT320X
Exposure time: 70x2min
Exposure time total: 2h20min
Notes: Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Markus Blauensteiner, Justin Kabaus)

Image processing by Bernhard Hubl