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(IAAC) Obj: M57 and NGC 6210 - Inst: 8" F/6 Dobsonian



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Observer: Michael Geldorp
Your skills: Beginner (< one year)
Date/time of observation: 6/6/1999  23.50 UT
Location of site: Alphen ad Rijn, Netherlands (Lat 52.09N, Elev )
Site classification: Suburban
Sky darkness: 4.5 <Limiting magnitude>
Seeing: III <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): M57 and NGC 6210
Category: Planetary nebula.
Class: 
Constellation: Lyr, Her
Data: mag   size 
Position: RA :  DEC :
Description:
First time I used a newly acquired OIII filter, I decided to try it on
some planetaries.
NGC 6210 in Hercules was much easier to view with the filter than
without with its disk showing much better. M57 in Lyra was also
greatly enhanced by the filter with a much better contrast than
before. The seeing prevented a longer session today.
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Optional related URLs: http://home.wxs.nl/~geldo006/home.html
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