(IAAC) Obj: NGC 6781 - Inst: 8" f/6 Dobsonian

Observer: Michael Geldorp
Your skills: Intermediate (some years)
Date/time of observation: 8/22/2000  22.15 UT
Location of site: Alphen ad Rijn, Netherlands (Lat 52*N, Elev )
Site classification: Suburban
Sky darkness: 4.5 <Limiting magnitude>
Seeing: II <I-V Seeing Scale (I best)>
Moon presence: None - moon not in sky
Instrument: 8"  f/6 Dobsonian
Magnification: 49X, 98X, 203X, 244X
Filter(s): OIII
Object(s): NGC 6781
Category: Planetary nebula.
Constellation: Aql
Data: mag 11.4  size 109"
Position: RA 19:18  DEC +06:33
Very difficult to see this nebula without an OIII filter, but it became 
surprisingly easy to see once the filter was inserted.
At 98X, NGC 6781 is larger and brighter than I expected but no details were
seen. Large, round uniform glow, rather like an eliptical galaxy.
There is a sketch on this object on my homepage: URL mentioned below.
Optional related URLs: http://home.wxs.nl/~geldo006/home.html
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