NGC 6755 and NGC 6756- open clusters in Aquila

© Velimir Popov & Emil Ivanov 2017
Size: 2000 px


These two star clusters, NGC 6755 and NGC 6756 are located in the constellation of Aquila in a region with fairly dense Milky Way background stars. The larger cluster toward the left is NGC 6755, and the smaller one is NGC 6756. The clusters have similar distances from Earth - for NGC 6755 is about 4,700 light years, for NGC 6756 - about 4,900 light years. Lying in the proximity to the Galactic Equator, these clusters show some reddening due to the presence of interstellar dust. Wider field image can be seen here .


Image details:


Center of field RA 19:07:51 (h:m:s)
Center of field DE +04:18:30 (deg:m:s)
Size 1.93 x 1.28 (deg)
Pixel scale: 1.74 (arcsec/pixel)
Orientation: Up is Up is -69.2 degrees E of N
Charts and image details obtained from
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: 21 Jun. 2017
Location: IRIDA Observatory, BG, longitude: E 24 44' 18", latitude: N 41 41' 42"
Exp. Details: R6x5min, G:6x5min, B:6x5min Bin 1, Total 90 min (1:30 hrs)
More details: Dark and flat frames reduction
Processing: PixInsight / PS
Copyright: Velimir Popov and Emil Ivanov 2017. All Rights Reserved
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