[sac-forum] Re: [AZ-Observing] New observing sites?

---- Peter Argenziano <pargenz@xxxxxxx> wrote: 
> Curious about locating new dark sky sites? Here's a way to combine a couple 
> of tools to assist you in that quest for the closest dark site. This can be 
> accomplished by overlaying the Clear Sky Clock light pollution maps onto the 
> Google Earth map for any particular location...


There is a very useful "opacity" slider in Google Earth just below the Places 
window in which one can vary the transparency of the light pollution overlay.  
An example showing 50% opacity that I have had up on my site for a while is 
here:

http://members.cox.net/tpolakis/astro/fivemile.jpg

Tom

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