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(IAAC) Obj: NGC 4291 - 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: 09/23/03 02:30 UT
Location of site: Rolla, MO USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 6.0 <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, 128x, 257x
Filter(s): None
Object(s): NGC 4291
Category: External galaxy.
Class:
Constellation: Dra
Data: mag 11.5 size 1.9' X 1.6'
Position: RA 12:20 DEC +75:22
Description:
A round, uniform halo which brightens toward the core. In the same 257x,
(15'), field with NGC 4319, which is located approx. 5' to the NW of NGC 4291.
Located with averted vision at 68x. Bears magnification well. Best seen
at 128x-257x.
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