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(IAAC) Obj: M71 - Inst: 24 cm dobsonian, f/6.6
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: M71 - Inst: 24 cm dobsonian, f/6.6
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From: anonymous@sedna.atmob.org
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Date: 21 Aug 2004 06:40:19 -0000
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Observation Poster: Tudorica Alexandru <tudorica_a@yahoo.com>
Observer: Tudorica Alexandru
Your skills: Intermediate (some years)
Date/time of observation:
Location of site: Ghirdoveni, Romania (Lat +45, Elev +260m)
Site classification: Rural
Sky darkness: +6.45 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 24 cm dobsonian, f/6.6
Magnification: 80X
Filter(s): none
Object(s): M71
Category: Globular cluster.
Class:
Constellation: Sag
Data: mag 8.2 size 7'
Position: RA 19h:53' DEC +18 deg:47'
Description:
It looks like an outstanding open cluster, very bright, very well resolved in
many stars. It is similar to an space shutlle seen from above, mainly becouse
the resolved stars are on it's northern side and a bright star it's on it's
dead center.It's core it is not too compressed and it gradually fades into
it's halo; the halo at it's turn fades into the interstelar space....
it is found at the lower left of an equilateral triangle of medium bright stars.
It's a very big difference from 9 cm to 24 cm, I rediscovered the cluster;
stars that were at the limit of vision in the 9 cm now are imediately resolved.
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