M55 (NGC 6809)

Typ:Starcluster
Constellation:Sagittarius
Size:19'
Distance:17.6 kLj
Brightness:7.4 mag
Position:RA:19h 39m 59.71s DEC:−30° 57′ 53.1″
Max. height:9.03°, Jul. (midnight at +50°N)
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Discovered:Nicolas-Louis de Lacaille, 1752
Details:Read more on Wikipedia

The next image shows the full frame in a manual edit (580mm, ASI2600MM, LRGB 1h).