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(IAAC) Obj: NGC 3893 - 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: 03/08/03 02:10 UT
Location of site: Rolla, MO (Lat 37 57N, Elev )
Site classification: Rural
Sky darkness: <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: Minor - crescent or far from object
Instrument: 10" f/4.5 Dobsonian
Magnification: 36x, 68x, 72x, 136x
Filter(s): None
Object(s): NGC 3893
Category: External galaxy.
Class:
Constellation: UMa
Data: mag 10.6p size 4.4' X 2.8'
Position: RA 11:48.5 DEC +48:43
Description:
Elliptical with a uniform halo elongated NW-SE. No detectable brightening
toward the nucleus. A faint field star is located just off the SW. edge.
Located with averted vision at 68x. Bears magnification well. Best seen
at 136x.
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