(IAAC) Obj: M 13 - Inst: 120 mm KONUS refractor, f/8.33, equatorial


Observer: Natko Bajic
Your skills: Intermediate (some years)
Date/time of observation: 27. April 2001. about midnight
Location of site: Vinisce, near Split, Croatia (Lat 44.5, Elev 10 m)
Site classification: Rural
Sky darkness: 5 <Limiting magnitude>
Seeing: III <I-V Seeing Scale (I best)>
Moon presence: None - moon not in sky
Instrument: 120 mm KONUS refractor, f/8.33, equatorial
Magnification: 40x, 100x, 250x
Filter(s): None
Object(s): M 13
Category: Globular cluster.
Constellation: Her
Data: mag 5.8  size 16.6'
Position: RA 16h:41.7  DEC +36:28
Very large and bright, one of the finest and best known globulars. At
every magnification well resolved. At 100x seen best, with thousands
of stars in it. Two lines of stars at the Eastern side of the cluster,
and one on NW side. Nice semicircular row of stars above the cluster,
very similar to one above nearby M 92. Sketch will be available in few
days at the mentioned URL.
Optional related URLs: http://www.geocities.com/natkobajic
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