Re: [ATM] What filters best for a

["Bob May" <bobmay@nethere.com>]

There have been several scopes in the literature for viewing the sun without
having any problems.  Uncoated optics, filters at 45 degrees angle that also
provide a secondary for the Newtonian scope and Brewseter prisms and other
things have all benn done.  Probably the only thing that hasn't been done is
doing a very long focus reflector to put an image on a wall of a building
has been published somewhere in the popular press.
I'd love to see somebody do a solar scope that puts an image of significant
size on a wall and publish it in one of the popular publications.
Bob May  already 3 sheets to the wind with Christmas cheer!
bobmay@nethere.com
http://nav.to/bobmay
http://bobmay.astronomy.net

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