(IAAC) Obj: Abell 82, PNG 114.0-4.6 - Inst: 15 inch Obsession f4,5

[anonymous at sedna.atmob.org]

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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): O III
Object(s): Abell 82, PNG 114.0-4.6
Category: Planetary nebula.
Class: 
Constellation: Cas
Data: mag 12,7 magv  size 94"
Position: RA 23:45.47  DEC +54:44.38
Description:
Visible at 131x only with the use of the OIII filter which it responds well to. 
At that magnification Abell 82 appears as an extremely faint round disk of 1,5' 
diameter with fading edges. No structure seen. Apart from the easily visible CS 
(14.9mag) there is another star embedded in Abell 82 and 2 are close to its edge. 
An increase to 342x was not helpful and even with the use of the OIII filter 
the nebula did not show up at that magnification.
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