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(IAAC) Obj: NGC 1638 - Inst: 10.1" f/4.5 Dobsonian
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC 1638 - Inst: 10.1" f/4.5 Dobsonian
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From: anonymous@sedna.atmob.org
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Date: 18 Feb 2005 00:42:00 -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: 02/12/05 02:20 UT
Location of site: Rolla, MO USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 6.5 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: Minor - crescent or far from object
Instrument: 10.1" f/4.5 Dobsonian
Magnification: 128x, 257x
Filter(s): None
Object(s): NGC 1638
Category: External galaxy.
Class:
Constellation: Eri
Data: mag 12.0 size 1.8' X 1.2'
Position: RA 04:41.5 DEC -01:48.5
Description:
A faint uniform round, to slightly oval, nebulous patch which brightens
very slightly toward the core. Visible with averted vision at 128x, it
did not bear magnification well, beginning to fade into the background
at 257x.
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