[AZ-Observing] Re: Tucson Area Observing Sites

My opinion is based on the greatest values of a good observing site as being 
dark, and easy to access. That being said, another problem with viewing in 
Whipple area is the proximity to Nogales, AZ, and Nogales, Sonora, Mexico. 
Though not too bad, the light domes prevent this from being considered a 
really good dark site. Also the observing area near the Whipple Visitors 
Center is nestled in amongst some pretty high mountains. The views to the 
north and north west are o.k., but not what I would consider to be truly 
dark because of Green Valley's impact.

Las Cienegas has very good southern, eastern, and western sky views. Even 
though Tucson is 50 miles north, the light dome is significant.

A further drive east to the Chiricahua Mountains offers some of the darkest 
sky observing in the state. The Echo Canyon parking lot is easy to access 
and will accommodate 15 - 20 vehicles / scopes. There is a large hill to the 
west of the parking lot which limits some of that part of the sky. Seeing 
can be iffy at times, but the skies are really dark. I think the elevation 
is around 7,000 feet so dress accordingly.

If you have anyone in your group who are members of TAAA then you can try 
the TIMPA site west of Tucson. Views to the north, west, and south are o.k., 
but the site is fairly close to Tucson and one is constantly reminded of 
that fact.

Andrew Cooper's list of S. Az observing sites is quite good and should be 
consulted: http://www.siowl.com/

Sam
http://www.balinka.com/astronomy.htm


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