(IAAC) Obj: NGC 833, NGC 835, NGC 838, NGC 839 - Inst: 10.1" f/4.5 Newtonian reflector

[anonymous at s15272250.onlinehome-server.com]

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

Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 1/22/09  02:30 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: 77x, 128x, 193x, 257x
Filter(s): None
Object(s): NGC 833, NGC 835, NGC 838, NGC 839
Category: External galaxy.
Class: 
Constellation: Cet
Data: mag   size 
Position: RA :  DEC :
Description:
NGC833; Mag 12.7, Size 1.0' X 0.5', RA 02:09, DEC -10:08
A uniform oval halo elongated E-W.  It shows no detectable brightening
toward the core.  Visible with direct vision at 128x, it was best seen
at 193x.  NGC835 lies just to the E.

NGC835; Mag 12.1, Size 1.0' X 0.5', RA 02:09.5, DEC -10:08
A uniform oval halo elongated nearly N-S.  It gradually brightens to
a fairly bright, diffuse core.  An 11th magnitude field star lies ~3' S.
and NGC838 an equal distance to the ESE.  The galaxy was visible with
direct vision at 77x and was best seen at 193x.

NGC838; Mag 13.0, Size 0.5' X 0.5', RA 02:09.5, DEC -10:08.5
A uniform circular halo which gradually brightens to a fairly bright,
nearly stellar core.  Visible with averted vision at 128x, it was best
seen at 193x.  NGC839 lies ~3' S.

NGC839; Mag 13.1, Size 0.5' X 0.5', RA 02:09.5, DEC -10:11
A uniform circular halo which shows no detectable brightening toward
the core.  Visible with averted vision at 128x, it was best seen at 193x.

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