Open star cluster M18

UA 16-inch image of Messier 18

The bright but very sparse star cluster Messier 18 in Sagittarius, shown in an R-band CCD image obtained with the UA 16-inch telescope. The field of view shown is 17 arcminutes wide. This cluster appears less than a degree south of the Swan or Omega Nebula, M17.

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Last changes: 7/2006      © 2006