(IAAC) Obj: M 22 - Inst: 4.5" f/4.0 Newtonian reflector

[anonymous at sedna.atmob.org]

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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  03:15 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 22
Category: Globular cluster.
Class: 
Constellation: Sgr
Data: mag 5.1  size ~20'
Position: RA 18:36.5  DEC -23:54
Description:
A large, bright, irregular halo which almost resembles a face-on spiral
galaxy.  Clumpy star chains extend in multiple directions across the
face of the cluster, many of which appear to originate in or near the
large, circular, diffuse core.  Some stars are resolved completely across
the cluster.

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