(IAAC) Obj: PNG 144.3-15.5, Abell 4 - 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): PNG 144.3-15.5, Abell 4
Category: Planetary nebula.
Class: 
Constellation: Per
Data: mag 14,4 magv  size 25"
Position: RA 02:45.24  DEC +42:33.03
Description:
 Located near M34. Extremely faint and difficult object. At 131x visible with 
averted vision only. At 342x the structureless disk appears slightly brighter 
towards the center. Overall diameter is approx 20". The OIII filter does not 
improve the visibility of the nebula. The planetary is located roughly 1,5' NW 
of a 9mag star and 3' WNW of another 9mag star.
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