(IAAC) Obj: M 28 - Inst: 4.5" f/4.0 Newtonian reflector

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Sat Sep 9 16:09:18 EDT 2006


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

Observer: Brent Reary
Your skills: Intermediate (some years)
Date/time of observation: 07/31/06  02:50 UT
Location of site: Rolla, MO  USA (Lat 37 57'N, Elev )
Site classification: Rural
Sky darkness: 5.0 <Limiting magnitude>
Seeing: 5 <1-10 Seeing Scale (10 best)>
Moon presence: Minor - crescent or far from object
Instrument: 4.5" f/4.0 Newtonian reflector
Magnification: 150x
Filter(s): None
Object(s): M 28
Category: Globular cluster.
Class: 
Constellation: Sgr
Data: mag 6.8  size 10'
Position: RA 18:24.5  DEC -24:52
Description:
A uniform circular halo which rather abruptly brightens to a compact,
diffuse, oval core.  The core appears slightly elongated E-W.  No individual
stars could be resolved.


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