(IAAC) Obj: M81 - Inst: Naked eye
anonymous at sedna.atmob.org
anonymous at sedna.atmob.org
Fri Apr 8 13:18:06 EDT 2005
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Observation Poster: Vincent JACQUES <vjac at free.fr>
Observer: Vincent JACQUES
Your skills: Advanced (many years)
Date/time of observation: March 31, 2005 22hUT
Location of site: Breil-sur-Roya, SE of France (Lat 44°N, Elev 500m)
Site classification: Rural
Sky darkness: 7,8 <Limiting magnitude>
Seeing: 7 <1-10 Seeing Scale (10 best)>
Moon presence: None - moon not in sky
Instrument: Naked eye
Magnification:
Filter(s):
Object(s): M81
Category: External galaxy.
Class: galaxy
Constellation: UMa
Data: mag 7 size
Position: RA 9h:55min DEC 69°:
Description:
Easily visible 100% of the time with adverted vision 2°, blur object not round
(Often seen if magnitude V up to 7,1 or 7,2)
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Optional related URLs: http://vjac.free.fr
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