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(IAAC) Obj: IC 4406 - Inst: 250mm f5.6 Dobsonian
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To: Internet Amateur Astronomers Catalog <netastrocatalog@visualdeepsky.org>
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Subject: (IAAC) Obj: IC 4406 - Inst: 250mm f5.6 Dobsonian
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From: anonymous@sedna.atmob.org
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Date: 25 Jul 2006 01:50:47 -0400
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Delivered-To: 9-netastrocatalog-obs@visualdeepsky.org
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Observation Poster: Andrew Wood <bandawood@bigpond.com>
Observer: Andrew Wood
Your skills: Advanced (many years)
Date/time of observation: Apr 17, 1999
Location of site: Cataract Scout Camp, Appin (Lat 34S, Elev 400m)
Site classification: Exurban
Sky darkness: <Limiting magnitude>
Seeing: <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 250mm f5.6 Dobsonian
Magnification: 115
Filter(s): UHC
Object(s): IC 4406
Category: Planetary nebula.
Class:
Constellation: Lup
Data: mag 11.0 size 30"
Position: RA 14:22 DEC -44:09
Description:
Box-shaped. Bright and distinct in a fiels of 'normal' stars.
Had also observed this object on Apr 18, 1998, through a friend's 12" f6
Newtonian: A distinct disk, no detail, but easily picked as a planetary at low
power. The best view was actually with an 18mm Modified Achromatic eyepiece,
which causes it to 'blink'.
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