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Mark Fisher
1999-2008
NGC 6633
A small open star cluster in Ophiuchus, lying about 1,000 light years from the Sun.

Location of NGC 6633
NGC 6633 falls just inside Ophiuchus' border with Serpens. This is a comparatively close star cluster, just 1,000 light years from the Solar System.
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    		•  Related Entries
  • IC 4756
  • Ophiuchus
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