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(IAAC) Obj: NGC 6487 - Inst: 10" f/4.7 Dobsonian
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC 6487 - Inst: 10" f/4.7 Dobsonian
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From: anonymous@sedna.atmob.org
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Date: 5 Sep 2004 23:08:26 -0000
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Delivered-To: 9-netastrocatalog-obs@visualdeepsky.org
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Observation Poster: Brent Reary <gmbreary@rollanet.org>
Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 09/04/04 02:20 UT
Location of site: Rolla, MO USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 6.0 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10" f/4.7 Dobsonian
Magnification: 80x, 133x
Filter(s): None
Object(s): NGC 6487
Category: External galaxy.
Class:
Constellation: Her
Data: mag 11.9 size 1.9' X 1.7'
Position: RA 17:53 DEC +29:51
Description:
A faint round nebulous patch of uniform appearance. There is no detectable
brightening toward the core. A faint field star is located approx. 5' off
the SW edge. Visible with averted vision at 80x, it began to fade into the
background with increased magnification and could only be fleetingly seen
during moments of steady seeing at 133x. NGC6487 is paired with NGC6486
but at 15th magnitude, NGC6486 could not be seen.
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