Barnard’s Galaxy

NGC 6822, Barnards Galaxy, is a dwarf galaxy in Sagittarius. It is classified as an “Irregular” type and it is a member of the Local Group of galaxies.

About ten times the distance of the Large Magellanic Cloud, it has a rectangular appearance and an actual diameter of less than 10% that of the Milky Way.

NGC 6822:

AKA: IC4895 and Caldwell 57.
Visual magnitude: +9.3.
Apparent diameter: 17.4 x 16.6 arc-min.
Actual diameter: 8,200 light years.
Distance: 1.6 million light years.


Exposure: 6 x 4 min ISO 2000.
Date: 2017-08-22.
Location: The Oaks, NSW.
Sky: semi-dark rural sky, clear.
Processing: Canon DPP, Deep Sky Stacker and GIMP.
Cropping: yes.

Telescope: Skywatcher ED120 refractor, 840mm focal length, f/7 focal ratio.
Mount: SkyWatcher EQ6-R.
Polar aligning: QHYCCD PoleMaster.
Guiding: Orion ShortTube 80 OTA, Orion StarShoot camera and PHD2 software.
Camera: Canon EOS 60D.
No filter, no flattener.


Image © R.Powell



  1. Great capture, Roger!
    NGC 6822, Barnards Galaxy – looks faint, cloud-like patch. Several large emission nebulae are present (me reading), bluish young stars…


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