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Re: [ATM] Advice on Solar scopes/observation
Actually, those were canvas sails on the original Snow Horizontal Solar Telescope. Been replaced with a 2 layers of corrugated sheet metal painted white, with a layer of air in between so air can cool things down.
Guy
Mark Holm <mdholm@telerama.com> wrote: Old pictures of solar telescopes at Mt.
Wilson show shades on the upper end of the tubes.
Guy Brandenburg
Washington, DC
My home page:
http://home.earthlink.net/~gfbranden/GFB_Home_Page.html
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