(IAAC) Obj: NGC 1220 - Inst: 15 inch Obsession f4,5
anonymous at sedna.atmob.org
anonymous at sedna.atmob.org
Mon Nov 15 02:59:19 EST 2004
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Observation Poster: Armin Hermann <burmeseinn at yahoo.com>
Observer: Armin Hermann
Your skills: Advanced (many years)
Date/time of observation: 13 Nov 2004
Location of site: Sangkhlaburi, Thailand (Lat 15°N, Elev 200m)
Site classification: Exurban
Sky darkness: 5,8 <Limiting magnitude>
Seeing: 10 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: 15 inch Obsession f4,5
Magnification: 131 and 342x
Filter(s): none
Object(s): NGC 1220
Category: Open cluster.
Class:
Constellation: Per
Data: mag 11,8p size 1,6'
Position: RA : DEC :
Description:
Very compact cluster that resolves into about one dozen 13-15mag stars at 342x
magnification. Lower power resolves about half the number of stars which then
look embedded in a haze of unresolved stars. Nice.
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