NGC 6520  +  Barnard 86

60%  resolution (3.1MB)

DSLR widefield image

Object data of NGC6520

Object type: Open star cluster (I2r)
Size: 6'
Magnitude: 7.6 mag
Constellation: Sgr
Distance: 5,100 Ly
Notes: NGC 6520 is a young open star cluster in the star rich constellation Sagittarius. The above image shows besides this bright open star cluster also the dark nebula Barnard 86. NGC 6520 was born inside this molecular cloud.

Exposure data

Date: 2014-03-06 + 2014-03-08
Location: Hacienda Los Andes / Chile (1100m)
Telescope: TEC RC 20" f/9 with corrector (f=4492mm)
Camera: FLI PL16803 with Astrodon filters
Binning: L 1x1 / RGB 1x1
Mount: Astro-Physics AP1600GTO
Exposure time: L 23x2min / R 6x2min / G 6x2min / B 6x2min
Exposure time total: 1h 22min
Notes: Image acquisition by CEDIC team (Bernhard Hubl, Christoph Kaltseis, Wolfgang Leitner and Herbert Walter)

Image processing by Bernhard Hubl