(IAAC) Obj: NGC 6826 - 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: 14 Aug 2004
Location of site: Sangkhlaburi, Thailand (Lat 15°N, Elev 200m)
Site classification: Exurban
Sky darkness: 5,5 <Limiting magnitude>
Seeing: 9 <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 6826
Category: Planetary nebula.
Class: 
Constellation: Cyg
Data: mag 8,8v  size 25"
Position: RA :  DEC :
Description:
Very bright bluish disk with bright central star (10,6mag). No details at 131x magnification. At 342x the edge of the slightly oval disk appears as a thin ring. The center of the disk towards the CS appears smooth with no mottling. Observing with averted vision I had the impression that there is an outer fainter shell surrounding the bright disk. Beautiful object at high magnification.
I did not have the impression of a "blinking" nebula, bothe nebula and central star were always clearly visible (direct and averted).
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