M18 (NGC 6613)
Constellation: Sgr
Object Type: Open Cluster
RA: 18h 19m 58s
Dec: -17° 6' 6"
Magnitude: 6.9
Recommended minimum aperture: 50mm
Charts for 100mm Binocular (2.5° aperture circle). Click on a chart to print it.
Location:
M18 is a degree S of M17.
What You Should See:
About 15 stars are visible in this rather sparse, magnitude 6.9 open cluster, but it is worth spending time in its environment, which is pregnant with small dark nebulae. By comparison, the other open cluster shown in the chart, NGC 6605, is far less impressive: it is entirely non-existent! It is one of several objects in the NGC catalogue that does not actually exist.
Sorry, there is no "what you should see" image for your selected aperture.
We are showing you the nearest available one.
