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(IAAC) Obj: NGC 541, NGC 545, NGC 547 - 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: 12/06/05  02:20 UT
Location of site: Rolla, MO  USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 6.5 <Limiting magnitude>
Seeing: 6 <1-10 Seeing Scale (10 best)>
Moon presence: Minor - crescent or far from object
Instrument: 10.1" f/4.5 Newtonian reflector
Magnification: 77x, 128x, 257x
Filter(s): None
Object(s): NGC 541, NGC 545, NGC 547
Category: External galaxy.
Class: 
Constellation: Cet
Data: mag   size 
Position: RA :  DEC :
Description:
NGC541; Mag 12.1, Size 1.0'X 1.0', RA 01:25.5, DEC -01:22.5
A faint, uniform, round nebulous patch which shows no detectable brightening
toward the core.  Located ~5' SW of NGC545/NGC547.  Visible with averted vision
at 128x, it began to fade into the background at 257x.
NGC545; Mag 12.2, Size 2.0'X 1.0', RA 01:26, DEC -01:20
A uniform oval halo elongated NE-SW.  It shows slight, gradual brightening
to a diffuse core.  Located on the NW edge of NGC547.  Visible with direct
vision at 77x, it was best seen at 257x.
NGC547; Mag 12.2, Size 1.0'X 1.0', RA 01:26, DEC -01:20.5
A uniform round halo which gradually brightens to a diffuse core.  Located
on the SE edge of NGC545.  Visible with direct vision at 77x, it was best
seen at 257x.
NOTE:  Uranometria 2000.0 (2nd edition) plots several additional galaxies
inside of a 128x (34') field centered on NGC545/NGC547.  Except for NGC541,
none could be seen.
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