(IAAC) Obj: NGC: 1980,1977, 1973,1975,1981 - Inst: 250mm f5.6 Dobsonian

anonymous at sedna.atmob.org anonymous at sedna.atmob.org
Tue Jul 25 01:02:01 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: Feb 13 1999 1045UT
Location of site: Mt Keira, Wollongong (Lat 150E, 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: 55
Filter(s): UHC
Object(s): NGC: 1980,1977, 1973,1975,1981
Category: Open cluster. Emission nebula.
Class: 
Constellation: Ori
Data: mag   size 
Position: RA 5:35  DEC -5:
Description:
The Nebula NGC 1980 and Nebula complex consisting NGC 1977, 1972 and 1975
clearly visible and UHC filter enhances the nebulosity.
Iota Orionis, within NGC 1980, has an easily visible much fainter companion.
The Open cluster NGC 1981 is very loose and stands out in the area due to its
lack of nebulosity.
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