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(IAAC) Obj: NGC6520 - Inst: 18" f/4.5 DobNewt

To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
Subject: (IAAC) Obj: NGC6520 - Inst: 18" f/4.5 DobNewt
From: apache@galaxy.atmob.org (Apache User)
Date: Thu, 16 Oct 2003 16:05:47 -0400 (EDT)
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Observation Poster: Andrew Cooper <acooper@pobox.com>

Observer: Andrew Cooper
Your skills: Advanced (many years)
Date/time of observation: 25 May 2001
Location of site: Las Cienegas, Cochise Co., Arizona (Lat 31.5, Elev 4200)
Site classification: Rural
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 18" f/4.5 DobNewt
Magnification: 174
Filter(s): none
Object(s): NGC6520
Category: Open cluster.
Class: 
Constellation: Sag
Data: mag 7.6  size 
Position: RA 18:03.4  DEC -27:54
Description:
Nice cluster, rich, fully resolved, a ring within a ring with a bright star at
the center. B86 visible to the NE of the cluster in the same field for a very
nice contrast in a thick Milky Way starfield. 

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