NGC6871 (in the middle of the image) is a small open star cluster, consisting of no more than 50 member stars.
It can be found in the constellation Cygnus.
Besides the star cluster in the center, a lot of dark nebulae (B146 & 147) and emission nebulae (LBN179, LBN182) can be seen in this image.
The large dark area just right of the center of the image is Barnard 146, the “snake like” protrusion below it is Barnard 147.
To the left of Barnard 147 there is an other small open star cluster which is catalogued as Biurakan 1.
|Right ascension||20h 05m 59s|
|Declination||+35° 46′ 38″|
|Other designations||GC 4548, Struve 2630|