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(IAAC) Obj: NGC6284 - Inst: 4.5" Homemade Dobson reflector, f/8
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To: IAAC <logs@visualdeepsky.org>
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Subject: (IAAC) Obj: NGC6284 - Inst: 4.5" Homemade Dobson reflector, f/8
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From: Ante Perkovic <albireo@vip.hr>
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Date: Mon, 23 Aug 2004 16:42:04 +0200
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User-Agent: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.0.1) Gecko/20020920 Netscape/7.0
Observer: Ante Perkovic
Your skills: Intermediate (some years)
Date/time of observation: August 11th 2003, 22.16h
Location of site: Tugare, near Split, Croatia (Lat 43.4 N, Elev 250m)
Site classification: Rural
Sky darkness: 5.0 <Limiting magnitude>
Seeing:
Moon presence: None - moon not in sky
Instrument: 4.5" Homemade Dobson reflector, f/8 ("babydob")
Magnification: 25x, 48x, 79x
Filter(s): None
Object(s): NGC6284
Category: Globular cluster
Class:
Constellation: Oph
Data: mag 9.0 size 2.7'
Position:
Description:
25x: Not visible. Two nearby stars with mags 8.9 and 9.4 were barely
visible, so LM in the eyepiece must have been very low.
48x: I think I saw it for a moment, but lost it very soon. Later, I
couldn't find it even with averted vision.
79x: Very faint nebulosity 1'30" in diameter. After some time, I
couldn't see it directly anymore, but with averted vision, it was
visible as very faint fuzzy, 1'45" in diameter.
The cluster was 18 deg above the horizon.