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(IAAC) Obj: M 80 - Inst: 120 mm KONUS refractor, f/8.33, eq. mount
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Observation Poster: Natko Bajic <natkobajic@yahoo.com>
Observer: Natko Bajic
Your skills: Intermediate (some years)
Date/time of observation: May, 12th, 2001.
Location of site: Vinisce, near Split, Croatia (Lat 43.5, Elev )
Site classification: Rural
Sky darkness: 6.0 <Limiting magnitude>
Seeing: <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 120 mm KONUS refractor, f/8.33, eq. mount
Magnification: 40x, 100x
Filter(s): None
Object(s): M 80
Category: Globular cluster.
Class:
Constellation: Sco
Data: mag 7.2 size 8.9'
Position: RA 16:17.0 DEC -22:59
Description:
Small (for its brightness) and very dense globular near M 4. I was
unable to resolve it at any magnification. At 100x I could detect some
grainy texture, but that is hard to say because of its very high
surface brightness. It shows central brightening. Several arcminutes
from it is a very bright star. In 100x field of view there were much
more stars than in nearby M 4's. Sketch is available at the URL below.
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Optional related URLs: http://www.geocities.com/natkobajic
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