[time-nuts] Re Danjon Astrolabe

Dr Bruce Griffiths bruce.griffiths at xtra.co.nz
Wed Sep 27 20:54:24 EDT 2006

   Glenn wrote:

Brooke Clarke wrote:

I'm interested in automatically measuring the earth's period by looking 
close to straight up with a fixed telescope.

This sounds like an interesting project. I've been looking for something 
to do with the Meade 4455D telescope I just got. (D=114m F=910, f/8) 
Doing a fixed mount at a know location shouldn't be a problem. I've also 
got an untested Hamamatsu E717-07 photomultiplier tube. Please let me 
know how it goes.


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   I thought that the E717-07 was just a photomultiplier tube socked and
   divider assembly?


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