Re:[ATM] Is my mount right?

[Mark Holm <mdholm@telerama.com>]

Several of the list members can run Plop for you.  I am one.  We will 
need the following:

Mirror glass type (Pyrex, Plate, etc.)
Mirror diameter
Mirror thickness (measured at the edge)
Mirror focal length
Secondary mirror diameter (planned)

Very likely, you will be looking at an 18 point cell.  Some examples of 
Plop results are at
http://pong.telerama.com/~mdholm/atm/cells/index.html

Jan van Gastel's 20-inch, with pictures of his cell, is at
http://home.wanadoo.nl/jhm.vangastel/Astronomy/50cmscope/20inch_e.htm

Bruce Sayre's is at http://www.foothill.net/%7Esayre/20-in.%20cell.htm

Mark Holm
mdholm@telerama.com

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