(IAAC) Obj: NGC 521 - Inst: 10.1" f/4.5 Newtonian reflector

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Fri Dec 23 16:55:01 EST 2005


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

Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 12/20/05  01:40 UT
Location of site: Rolla, MO  USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 7.1 <Limiting magnitude>
Seeing:  <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 10.1" f/4.5 Newtonian reflector
Magnification: 128x, 257x
Filter(s): None
Object(s): NGC 521
Category: External galaxy.
Constellation: Cet
Data: mag 11.7  size 2.0' X 2.0'
Position: RA 01:24.5  DEC +01:44
A very faint uniform round halo which shows slight, gradual brightening
to a diffuse core.  Visible with averted vision at 128x, it began to fade
into the background at 257x.  Located ~10' W. of NGC533.

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