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(IAAC) Obj: NGC 3766 - Inst: naked eye, 10x50 and 16x80 binoculars



Observer: Steve Coe
Your skills: Advanced (many years)
Date/time of observation: February 1998
Location of site: SS Dawn Princess, Caribbean Sea (Lat 15oN, Elev 0m)
Site classification: Exurban(!)
Sky darkness: 4 <1-10 Scale (10 best)>
Seeing: 5 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: naked eye, 10x50 handheld, 16x80 tripod binoculars
Magnification: 1x, 10x, 16x
Filter(s): none
Object(s): NGC 3766
Category: Open cluster.
Class: I 1 p
Constellation: Cen
Data: mag 5.3  size 12'
Position: RA 11:36  DEC -61:35
Description:
NGC 3766 is between Eta Carina and Crux.  It is obvious
in the 10X50s and has a high surface brightness.  Only 3 stars
can be resolved with the binocs, but there are many other
bright stars just to the north of this compact cluster.
The 16X80 binoculars resolved 8 members and really frame up
the cluster with the bright stars to the north.