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(IAAC) Obj: M22, M54, M55 - Inst: TEC 6" Mak-Cass



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Observation Poster: Bill Becker <bbe51@rmisp.com>

Observer: Bill Becker
Your skills: Intermediate (some years)
Date/time of observation: Sept 12, 2001 3:00UT
Location of site: Casper Wyoming (Lat 42*55mN, Elev 5200')
Site classification: Suburban
Sky darkness: 5 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: TEC 6" Mak-Cass
Magnification: 82x
Filter(s): none
Object(s): M22, M54, M55
Category: Globular cluster.
Class: V11, 111, and X1 respectively
Constellation: Sagittarius
Data: mag   size 
Position: RA :  DEC :
Description:
I had a chance to view through my new TEC 6" Cass-Mak. I chose the 3
globulars, M22, M54, and M55 because of their diversity. M54 is a
small, highly concentrated cluster with only a slight hint of
resolution at the very edges; M22 showed its magnificent self as
usual, with large portions resolved into individual stars right to the
center of the cluster; M55 was seen as a large cluster resolved
completely to the core. Each, in their own right, represent the very
best in globulars.
Best regards,
Bill
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