(IAAC) Obj: M26 (NGC 6694) - Inst: 12.5" f/6.5 Cave equatorial Newtonian


Observer: Dave Mitsky
Your skills: Intermediate (some years)
Date/time of observation: 6/18/98 06:30 UT
Location of site: Naylor Observatory http://www.msd.org/obs.htm (Lat 40.1d N, 76.9d W, Elev 570')
Site classification: Exurban
Sky darkness: ~5.0 <Limiting magnitude>
Seeing: 8 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 12.5" f/6.5 Cave equatorial Newtonian
Magnification: 65x, 121x, 159x
Filter(s): None
Object(s): M26 (NGC 6694)
Category: Open cluster.
Class: I 1 m
Constellation: Scutum
Data: mag 8.0  size 15.0'
Position: RA 18:45.2  DEC -09:24
M26 is a large but detached open cluster consisting of 30 stars that
have a central concentration.  It is about 16 light years in size, is
89 million years old, and is about 4900 light years distant.
To me M26 (along with M29) is one of the least impressive of the
Messier open clusters.  At 65x it was barely noticeable among the many
stars of Scutum.  Using a 13mm Tele Vue Ploessl allowed me to see
about a dozen faint stars in addition to the 4 moderately bright ones
that are more readily apparent.
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