(IAAC) Obj: IC 4406 - Inst: 250mm f5.6 Dobsonian

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Tue Jul 25 01:50:47 EDT 2006


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Observation Poster: Andrew Wood <bandawood at 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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