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(IAAC) Obj: NGC 6210 - Inst: 14.5" f4.5 TeleKit Dobsonian



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Observation Poster: Len Philpot <len@philpot.org>
Observer: Len Philpot
Your skills: Advanced (many years)
Date/time of observation: 09/11/2004 20:52 CST
Location of site: Catahoula Lake, LA (Lat 31 28 49, Elev 60')
Site classification: Rural
Sky darkness: 6.0 <Limiting magnitude>
Seeing: II <I-V Seeing Scale (I best)>
Moon presence: None - moon not in sky
Instrument: 14.5" f4.5 TeleKit Dobsonian
Magnification: 111, 185, 248, 354
Filter(s): None
Object(s): NGC 6210
Category: Planetary nebula.
Class: 
Constellation: Her
Data: mag 9.3  size 16"
Position: RA 16:44  DEC 23:48
Description:
Although I was able to see a 6.0 magnitude star just outside 
the Keystone (almost overhead), it was not that transparent 
further down. Most naked eye stars disappeared below about 
15 degrees altitude in most directions. There was a pretty 
fair amount of haze, plus the leftover remnants of some cirrus.
The cirrus eventually cleared for the most part, but the haze 
did not, and some dust was raised later as well.
TeleVue Panoptic 15mm, 111x :
Easy to find, clearly non-stellar and blue
TeleVue Nagler 9mm, 185x :
Very blue disk, no surface detail, but traces of a ring structure
were barely visible. 
Meade Ultra Wide Angle 6.7mm, 248x and 
Meade Ultra Wide Angle 4.7mm, 354x :
Oblong in a roughly E-W orientation; still a hint of ring structure,
but no more detail than at 185x (although that's probably due to the
sky conditions). There's possibly a larger, roughly round, envelope 
around it that appears about 4 times the diameter of the disk itself.
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