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Re: Stereo of the Moon


  • From: P3D <CJMCE@xxxxxxxxxxxxxxxx>
  • Subject: Re: Stereo of the Moon
  • Date: Wed, 06 Nov 1996 08:59:41 -0600 (CST)

The moon has a maximum selenocentric libration in longitude of +/- 7 degrees
54 minutes and in latitude of +/- 6 degrees 50 minutes.  The most desirable 
photos which can be made available for stereoscopic mapping use would be those
pairs taken during the same lunar phase and in which one photo has a 
+ 7deg54' longitude libration and the other has a - 7deg54' libration AND both
have a zero degree libration in latitude or both having the same latitudinal
libration and of the same sign.  Because of the moon's libration, the photos
give the effect of having been taken from exposure stations approximately
65,000 miles apart.

This state-of-the-art stereo astronomical treatise was accomplished by
Mr. Albert L. Nowicki at the U.S. Army Map Service in September 1961.  It is
entitled, Topographic Lunar Mapping at the Army Map Service (AMS Tech Report 37)
When Mr. Al Nowicki retired, he gave me his 40 years' worth of photogrammetric
publications and books.  

If anyone wants a copy of this 25 page report, send me a self-addressed 9"x12"
envelope with $1.01 U.S. postage (or $3.40 U.S. International reply coupon).

Perhaps this will put to rest the plethora of theories on "how to" do stereo
of the moon ...

Clifford J. Mugnier  (cjmce@xxxxxxx)
Topographic Engineering Laboratory
Department of Civil & Environmental Engineering
University of New Orleans
New Orleans, Louisiana  70148
Voice: (504) 280-7095
FAX:         280-7095      


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