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(IAAC) Obj: NGC 4220 - 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  03:00 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 4220
Category: External galaxy.
Class: 
Constellation: CVn
Data: mag 11.4  size 3.9' X 1.4'
Position: RA 12:16  DEC +47:53
Description:
A faint, uniform, elongated halo, aligned nearly N-S.  Shows slight brightening
toward the core.  In the same low power field with M106.  Located with averted
vision at 68x.  Does not bear magnification well.  Best seen at 68x-72x.
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