NGC 6822 - Barnard's Galaxy in Sagitarius

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  12" ASA: LRGB 12" ASA: LRGB crop      
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© Velimir Popov & Emil Ivanov 2014
 

NGC 6822 (also known as Barnard's Galaxy, IC 4895, or Caldwell 57) is a barred irregular galaxy approximately 1.6 million light-years away in the constellation Sagittarius. Part of the Local Group of galaxies, it was discovered by E. E. Barnard in 1884 (hence its name. It is one of the closer galaxies to the Milky Way. It is similar in structure and composition to the Small Magellanic Cloud. It is about 7,000 light-years in diameter.

 

Image details:

Annotation
Center of field RA 19:45:09(h:m:s)
Center of field DE -14:47:37 (deg:m:s)
Size 56.5 x 42.4 (arcmin)
Pixel scale: 1.03 (arcsec/pixel)
Orientation: Up is 177 degrees E of N
Charts and image details obtained from Astrometry.net
Optic(s): ASA 12" f 3,6 Astrograph (ASA)
Mount: ASA DDM85
Camera: FLI MicroLine 8300 CCD camera
Filters: Luminance, Red, Green, Blue, Astrodon filters
Dates/Times: 23 August 2014
Location: Namibia-TIVOLI ASTROFARM, S 23° 27' 40,9" / E 18° 01' 02,2"
Exp. Details: L:6x10min,R:6x10min, G:6x10min, B:6x10min,, Bin1,
  Total Exposure Time - 240 min
More details: Dark and flat frames reduction,
Processing: PixInsight / PS
 
Copyright: Velimir Popov and Emil Ivanov 2014. All Rights Reserved
 
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