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(IAAC) Obj: NGC 4639 - Inst: 10.1" f/4.5 Newtonian reflector



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Observation Poster: Brent Reary <gmbreary@rollanet.org>
Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 05/27/05  04:45 UT
Location of site: Rolla, MO  USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 6.5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10.1" f/4.5 Newtonian reflector
Magnification: 77x, 128x, 257x
Filter(s): None
Object(s): NGC 4639
Category: External galaxy.
Class: 
Constellation: Vir
Data: mag 11.5  size 3.0' X 2.0'
Position: RA 12:43  DEC +13:15
Description:
A uniform oval halo aligned NW-SE.  It gradually brightens to a fairly
bright, diffuse core.  A faint field star is located just off the SE edge.
Visible with direct vision at 77x, it was best seen at 128x-257x.
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