This open cluster is an easy find in both binoculars and telescope, but not visible with the naked eye from inside a city..
Contributed by: evilscientist
NGC 6633 - Open cluster in Ophiuchus| Object # 22 | Object Name:NGC 6633 | |
| Other Names: None | ||
| RA:18:27:15.10 | Dec:06:30:30.00 | |
| Constellation:Ophiuchus | Season:Summer | |
| Magnitude:4.6 | Type:Open cluster | |
| Description: This open cluster is an easy find in both binoculars and telescope, but not visible with the naked eye from inside a city.. |
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| BINOCULAR | TELESCOPE | |
| Click on map for larger image: |
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Evilness
http://www.evilscientist.ca/article.php?story=20080713194759956