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(IAAC) Obj: NGC 6633 - Inst: Vixen 9x63 binoculars



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Observation Poster: Stéphane Meloche <stephanemeloche@videotron.ca>
Observer: Stéphane Meloche
Your skills: Intermediate (some years)
Date/time of observation: 2005/08/04 4h15 UT
Location of site: Coaticook (Qc), Canada (Lat , Elev )
Site classification: Exurban
Sky darkness: 5,6 <Limiting magnitude>
Seeing:  <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Vixen 9x63 binoculars
Magnification: 
Filter(s): 
Object(s): NGC 6633
Category: Open cluster.
Class: 
Constellation: Ser
Data: mag 4.6  size 27'
Position: RA 18:27.3  DEC 06:31
Description:
In Ophiuchus, at ~ 3° NW of IC 4756. At 9x, NGC 6633 takes the form of the 7 reversed horizontally. The cluster is not uniformly concentrated, the strongest star concentration is located at the south of the object, where I observe about 15 stars individually. One second concentration, weaker, is located in north, where I count about 15 stars too. The southern portion of the cluster is very spectacular with binos.
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