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(IAAC) Obj: NGC 4417 - 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 4417 - Inst: 10" f/4.7 Dobsonian
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From: anonymous@sedna.atmob.org
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Date: 22 Jun 2004 21:19:11 -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: 06/21/04 04:00 UT
Location of site: Rolla, MO USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 5.5 <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, 267x
Filter(s): None
Object(s): NGC 4417
Category: External galaxy.
Class:
Constellation: Vir
Data: mag 11.1 size 3.6' X 1.4'
Position: RA 12:26 DEC +09:35
Description:
A uniform elongated halo, aligned NE-SW. It brightens to a bright,
during moments of steady seeing, nearly stellar core. Visible with
direct vision at 80x, it bore magnification well, being best seen at
133x-267x.
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