(IAAC) Obj: NGC 2392 - Inst: 8" f/6 Dobsonian

Observer: Michael Geldorp
Your skills: Intermediate (some years)
Date/time of observation: 1/8/00  23.30 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 2392
Category: Planetary nebula.
Constellation: Gem
Data: mag 9.1  size 13" x 44"
Position: RA 07:29  DEC +20:55
Easily found, this nebula also shows much more contrast with a OIII filter in
place. The central? star is dimmed compared to the nebula itself and almost 
Although the improved contrast revealed no details in the nebula itself, I did
suspect a very subtle ring around the central mass. I am not sure if this is
a real feature or not.
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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