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(IAAC) Obj: NGC 4143 - Inst: 10" f/4.5 Dobsonian



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Observation Poster: Brent Reary <gmbreary@rollanet.org>
Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 04/02/03  02:35 UT
Location of site: Rolla. MO  USA (Lat 37 57N, Elev )
Site classification: Rural
Sky darkness:  <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10" f/4.5 Dobsonian
Magnification: 36x, 68x, 72x, 136x
Filter(s): None
Object(s): NGC 4143
Category: External galaxy.
Class: 
Constellation: CVn
Data: mag 10.7  size 2.3' X 1.4'
Position: RA 12:09.5  DEC +42:32
Description:
A uniform oval halo which is elongated NW-SE.  There is gradual brightening to
a fairly bright core.  A brighter field star is located approx. 5' N.  In the
same low power field with NGC 4138.  Located with averted vision at 36x.
Magnifies well.  Best seen at 136x.
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