(IAAC) Obj: NGC 5376, NGC 5389 - Inst: 10.1" f/4.5 Newtonian reflector

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Mon Jul 16 20:34:22 EDT 2007


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

Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 7/14/07  03:55 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: None - moon not in sky
Instrument: 10.1" f/4.5 Newtonian reflector
Magnification: 77x, 128x, 193x, 257x
Filter(s): None
Object(s): NGC 5376, NGC 5389
Category: External galaxy.
Constellation: UMa
Data: mag   size 
Position: RA :  DEC :
NGC5376; Mag 12.1, Size 2.0' X 1.0', RA 13:55, DEC +59:30
A uniform oval halo which is elongated NE-SW.  It shows slight, gradual,
diffuse brightening toward the core.  Visible with direct vision at 77x,
it was best seen at 193x-257x.  A 9th magnitude field star lies 12' E. and
NGC5389 is located ~14' NE..

NGC5389; Mag 12.0, Size 3.0' X 1.0', RA 13:56, DEC +59:44
A uniform oval halo elongated N-S..  It gradually brightens to a fairly
bright, during moments of steady seeing, nearly stellar core.  Visible
with direct vision at 77x, it was best seen at 193x-257x.  A wide pair
of 9th-10th magnitude stars, aligned NW-SE, are located just off the NE
edge.  NGC5379, plotted 4' W., was suspected but could not be confirmed.

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