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(IAAC) Obj: M 80 - Inst: 15" f4,5 Obsession
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: M 80 - Inst: 15" f4,5 Obsession
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From: anonymous@sedna.atmob.org
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Date: 15 May 2005 08:34:30 -0000
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Delivered-To: 9-netastrocatalog-obs@visualdeepsky.org
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Observation Poster: Armin Hermann <burmeseinn@yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 11 May 05
Location of site: Sangkhlaburi, Thailand (Lat 15.09 N, Elev 200m)
Site classification: Exurban
Sky darkness: 5,8 mag <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):
Object(s): M 80
Category: Globular cluster.
Class:
Constellation: Sco
Data: mag 7,3magv size 10'
Position: RA : DEC :
Description:
This very nice globular shows a very dense 1,5' core that is not completely
resolved into single stars even at 342x magnification. The outer parts of M80 are
resolved into single stars, though.The halo extends to some 7' diameter. To me M 80
does even look better than the very bright huge but loose globular M4 near Antares.
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