M26 (NGC 6694)

Typ:Open cluster
Constellation:Scutum
Size:15'
Distance:5.0 kLj
Brightness:8 mag
Position:RA:18h 45.2m DEC:−09° 24′
Max. height:30.60°, Jul. (midnight at +50°N)
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Discovered:Charles Messier, 1764
Details:Read more on Wikipedia

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