(IAAC) Obj: NGC 4417 - Inst: 10" f/4.7 Dobsonian

Observation Poster: Brent Reary <gmbreary@rollanet.org>
Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 06/21/04  04:00 UT
Location of site: Rolla, MO  USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 5.5 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10" f/4.7 Dobsonian
Magnification: 80x, 133x, 267x
Filter(s): None
Object(s): NGC 4417
Category: External galaxy.
Constellation: Vir
Data: mag 11.1  size 3.6' X 1.4'
Position: RA 12:26  DEC +09:35
A uniform elongated halo, aligned NE-SW.  It brightens to a bright,
during moments of steady seeing, nearly stellar core.  Visible with
direct vision at 80x, it bore magnification well, being best seen at
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