(IAAC) Obj: NGC 4691 - Inst: 10.1" f/4.5 Newtonian reflector

[anonymous at sedna.atmob.org]

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Observation Poster: Brent Reary <gmbreary at rollanet.org>

Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 05/10/05  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: 36x, 77x, 128x, 257x
Filter(s): None
Object(s): NGC 4691
Category: External galaxy.
Class: 
Constellation: Vir
Data: mag 11.1  size 2.8' X 2.3'
Position: RA 12:48  DEC -03:20
Description:
A uniform oval halo aligned E-W.  It brightens abruptly to a bright,
diffuse, elongated nucleus which shares the same alignment as the halo.
Visible with averted vision at 36x, it bore magnification well and was
best seen at 257x.

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