(meteorobs) Obs: 12/13 July 2007

George Gliba gliba at milkyway.gsfc.nasa.gov
Fri Jul 13 16:15:42 EDT 2007


meteors at eclipse.net recently wrote among other things:
> Once I suspect it will be clear (and I monitor the visible satellite loop
> during the afternoon to see what's upstream) the only question is the
> transparency. This summer so far, they have been overly optimistic on most
> nights. "Average" seems to be about LM +5.3, borderline for useful data on
> a slow night. Still, it's a tough task, foecasting for on exact point
> based on a hemisphereic model, when local conditions can have such a large
> effect on how hazy the sky is. And here, with all the light pollution (I
> don't just have Ames off in the distance, we're ringed by light polluting
> idiots) even a mildly hazy night can trash the LM.
>   
It is really amazing how a light polluted site is hampered badly by any 
haze, while a dark
site is not affected much. Even on nights of obvious haze in West 
Virginia, the LM can
still be pretty good, and the Milky Way can still be seen well.

Clear Skies,
GWG



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