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(IAAC) Obj: IC 4665 - Inst: 10-inch, f/4.5, Dobsonian



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Observation Poster: Mitchell Diers <deltacassopeiae@hotmail.com>
Observer: Mitchell Diers
Your skills: Intermediate (some years)
Date/time of observation: June 8, 2002 End of Evening Astronomical Twilight and Midnight
Location of site: Turlock, CA (Lat 120deg.50min, Elev 167 ft.)
Site classification: Urban
Sky darkness: 8 <1-10 Scale (10 best)>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10-inch, f/4.5, Dobsonian
Magnification: 44x, 118x, and 178x
Filter(s): None
Object(s): IC 4665
Category: Other.
Class: Galactic Star Cluster
Constellation: Ophiuchus
Data: mag 6  size 55'
Position: RA 17:44  DEC 05:44
Description:
At 44x I could easily see that the cluster had ver few stars.  The cluster had around 20 or 30 bright stars in it.  I could easily have counted 20 or so dim stars in the cluster.  The cluster was rather bright(6 mag.).  The cluster is located a little more than a degree east of Beta Ophiuchus.
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