NGC 6819 - open cluster in Cygnus

       
   

12" ASA - LRGB

12" ASA - LRGB - 100 % crop

   
    Size: 2000 px Size: 1200 px    
 
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© Velimir Popov & Emil Ivanov 2015
NGC 6819 is an open cluster in the constellation Cygnus. located at 7,200 light years away, it was discovered by Caroline Herschel on 12 May 1784. Situated near the boundary with Lyra, NGC 6819 contains roughly two dozen stars of magnitude 10 to 12, with many more lower magnitude members.
   

Image details:

Annotation

Center of field RA 19:41:34 (h:m:s)
Center of field DE 40:08:21 (deg:m:s)
Size 1.58 x 1.08 (deg)
Pixel scale: 2.84 (arcsec/pixel)
Orientation: Up is -71.8 degrees E of N
Charts and image details obtained from Astrometry.net
Optic(s): ASA 12" Astrograph @ f/3.6 (Newton)
Mount: ASA DDM85 Standard
Camera: SBIG STL 11000 M
Filters: Luminance, Red, Green, Blue, Astronomik filters
Dates/Times: 11.08.2015
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: L:4x5 min; R:4x5 min, G:4x5 min, B:4x5 min Bin 1,
More details: Dark and flat frames reduction
Processing: PixInsight / PS
 
Copyright: Velimir Popov and Emil Ivanov 2015. All Rights Reserved
 
e-mail: info@irida-observatory.org
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