(IAAC) Obj: M 15 - Inst: 8" Discovery DHQ dob


Observation Poster: Tom Campbell <softech@iolaks.com>

Observer: Tom Campbell
Your skills: Intermediate (some years)
Date/time of observation: 10:40pm CDT
Location of site: Iola, KS (Lat 37d 55m, Elev 1020')
Site classification: Exurban
Sky darkness:  <1-10 Scale (10 best)>
Seeing:  <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 8" Discovery DHQ dob
Magnification: 49X, 81X, 122X, 188X, 305X
Filter(s): Lumicon O-III
Object(s): M 15
Category: Globular cluster.
Constellation: Peg
Data: mag 6.4  size 12.0'
Position: RA 21:30.0  DEC +12:10
This is a nice globular, fairly easy to resolve. At 188X, stars can be seen almost all the way into the core. The core itself is bright, nearly stellar, and the edges fade away quickly. The outer edges of the cluster are a little non-uniform, giving it a not-quite-globular shape. Many more stars are resolved at 305X

Optional related URLs: http://www.iolaks.com/softech/astro/starlog.htm
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