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(IAAC) Obj: M4 - Inst: SCT 8", F/10 (Meade)
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: M4 - Inst: SCT 8", F/10 (Meade)
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From: anonymous@sedna.atmob.org
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Date: 15 Jul 2004 16:49:41 -0000
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Delivered-To: 9-netastrocatalog-obs@visualdeepsky.org
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Observation Poster: Ante Perkovic <albirejo_without_j@vip.hr>
Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: July 10th 2004
Location of site: Perkovic, Croatia (Lat 43.5, Elev 200m)
Site classification: Rural
Sky darkness: 6.0 <Limiting magnitude>
Seeing: 3 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: SCT 8", F/10 (Meade)
Magnification: 50x, 105x
Filter(s): None
Object(s): M4
Category: Globular cluster.
Class:
Constellation: Scorpius
Data: mag 5.9 size 26.3'
Position: RA : DEC :
Description:
At 50x: Round "nebula", sliightly eliptical, 10' in diameter, peppered
with 20 - 30 * that are spread over 20'. Bar, 10' long, made of 4 to 5
stars runs across center of the "nebula".
At 105x: Eliptical "nebulosity", 10' x 12', with 10' bar of
stars. Around 30 * spread over 20' - 25' covers the "nebulosity".
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