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(IAAC) Obj: NGC 6522 - Inst: 250mm f5.6 Dobsonian



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Observation Poster: Andrew Wood <bandawood@bigpond.com>
Observer: Andrew Wood
Your skills: Advanced (many years)
Date/time of observation: 31 July 1998; 1425 UT
Location of site: Wollongong (Lat -34.5, Elev 100m)
Site classification: Suburban
Sky darkness: 4.5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: Major - gibbous or near object
Instrument: 250mm f5.6 Dobsonian
Magnification: 55x
Filter(s): 
Object(s): NGC 6522
Category: Globular cluster.
Class: 
Constellation: Sag
Data: mag 8.6  size 5.6min
Position: RA 18:4  DEC -30:2
Description:
In the same field as NGC 6528 and gamma-Sagittarii. Four stars of approximately mag 9 form a triangle between the pair of clusters. High power didn't resolve them. Most interesting when both are in the same field at low power.
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