David,

I have a Pro-dome and I am at an altitude of 3100'. I have had the dome for
14months and have seen no indication of any UV damage. I have not seen any
evidence of UV damage. The domes are well made and sturdy. The remote dome
does require some mechanical skills to assemble, but once you get it working
it has been an excellent performer.

Chuck Greenberg

-----Original Message-----
Date: Monday, June 21, 1999 9:26 AM
Subject: Re: [M]: Observatories


>Bob:
>
>Mean elevation here in Las Cruces is right at 3900 ft., where I am
>thinking of building the observatory its about 4400 ft and hot. So
>while its not really high, I am concerned about longevity of polymers.
>
>Dave
>
>Bob Denny wrote:
>>
>> John Mencke at Technical Innovations is very knowledgable and
>> detail-oriented. I am certain that he would be happy to discuss
>> UV-susceptibility of the materials they use. They have a number of
>> customers in the Soughwest, of course, since that is a hot-bed of
>> astronomy :-)
>>
>> Oh, the Southwest is not "high UV" per-se ... the UV exposure is more
>> strongly related to the site elevation. Mt Graham is high UV, my back
>> yard (Phoenix area, 1350 ft elev.) is just "high heat" right now (temp
>> 108 dew point 60 today).
>>
>> -- Bob
>>
>> "David S. Dixon" wrote:
>> > Can anyone relate the success or problems with fiberglass domes
>> > in a high UV and wind environment like the southwest, particularly
>> > the Technical Innovations Home dome or Boyd Observatory products?
>

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