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(IAAC) Obj: NGC 7331 - Inst: 8" F/6 Dobsonian



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Observer: Michael Geldorp
Your skills: Intermediate (some years)
Date/time of observation: 10/16/1999  22.10 UT
Location of site: Alphen ad Rijn, Netherlands (Lat 52.09N, Elev )
Site classification: Suburban
Sky darkness: 5.0 <Limiting magnitude>
Seeing: I-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): none
Object(s): NGC 7331
Category: External galaxy.
Class: Sb
Constellation: Peg
Data: mag 9.5  size 10'.7 x 4'.0
Position: RA 22:37  DEC +34:25
Description:
Easily located spindle of light at low power. Bright center and
fainter outer halo.
At 203X NGC 7331 has a very nright center surrounded by a bright
elongated halo. The spiral arms were seen as two faint extended areas
of diffuse light with the northern arm more readily visible than the
southern. There was a hint of a rift in the outer halo on the western
side that could be a dustlane but more likely just an illusionary
effect.
A slight glimpse of Stepahn's Quintet nearby was suspected but no
positive ID could be made.
There is a sketch on this object on my homepage
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Optional related URLs: http://home.wxs.nl/~geldo006/home.html
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