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(IAAC) Obj: NGC 5831 - 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: 07/08/05  03:45 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 5831
Category: External galaxy.
Class: 
Constellation: Vir
Data: mag 11.5  size 2.0' X 2.0'
Position: RA 15:04  DEC +01:13
Description:
A uniform round halo which gradually brightens to a fairly bright,
during moments of steady seeing, nearly stellar core.  Visible with
direct vision at 77x, it bore magnification well and was best seen
at 128x-257x.
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