[AZ-Observing] Douglass article in ATM; article by Steavenson in JBAA

In re: to the reference I gave earlier, the informative article on 
seeing by Dr. A.E. Douglass, "Atmosphere, Telescope, and Observer" which 
was printed in Amateur Telescope Making (ATM) Book Two, p. 585 (old 
series) (edited by A.G. Ingalls) is now to be found in Book Three, 
Section D.2, p. 361 et seq, in the revised edition(s) available from 
Willmann-Bell.

A short description of a similar method of viewing the "seeing" shadows 
and their interpretation, authored by W. H. Steavenson, was published in 
the Journal of the British Astronomical Association (JBAA) Vol. 70 
(No.5), p.204, June 1960.  A text file is available on the web at this 
URL:  http://www.britastro.org/iandi/steave1.htm
Or I can forward a copy to interested observers who wish to try this for 
themselves.....

Gene Lucas
(17250)

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