(IAAC) Obj: M 9 - Inst: 15" f4.5 Obsession

anonymous at s15272250.onlinehome-server.com anonymous at s15272250.onlinehome-server.com
Tue May 20 23:24:31 EDT 2008


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Observation Poster: Armin Hermann <burmeseinn at yahoo.com>

Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 11 Apr 2005
Location of site: Sangkhlaburi / Thailand (Lat +15, Elev 200m)
Site classification: Exurban
Sky darkness: 5.8 <Limiting magnitude>
Seeing: 10 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15" f4.5 Obsession
Magnification: 342x
Filter(s): none
Object(s): M 9
Category: Globular cluster.
Class: 
Constellation: Oph
Data: mag 7.6  size 9'
Position: RA 17:19  DEC -19:
Description:
At 342x stars are resolved right into the dense center of M9. The cluster is at least 
6' wide and its shape is not exactly round. M9 appears as if it was torn into bits 
and pieces with streaks of starlight as well as empty patches all over. Interesting 
object.

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** This observing log was submitted via the IAAC Web form:
  www.visualdeepsky.org/enter-log.html



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