Re: 1954 Satellite Tracking System

From: Joel Carpenter (
Date: Wed Apr 01 2009 - 15:31:49 UTC

  • Next message: Greg Roberts: "Re: 1954 Satellite Tracking System"

    Hmm, works for me.
    Try this:
    or you can go to Corbis and search "Tombaugh"
    On Wed, Apr 1, 2009 at 11:29 AM, Greg Roberts <> wrote:
    > Hi
    > The first link did not work but from what I recall about the search for a
    > planet beyond Neptune a 13 inch astrographic refractor was used on a
    > standard equatorial mount.  I have a document somewhere about this search
    > and it was possible to mechanically change the drive rate of the telescope
    > in RA and Dec to match a body moving at a particular angular velocity.
    > In the second article they mention a schmidt telescope - this doesnt ring a
    > bell. Of course my memory re this might be a little out :-((
    > Tday this can be done much easier under computer control and using such
    > things as stepper motors so I dont think it would be really worth while
    > trying to copy the situation at Lowell Observatory.
    > Cheers
    > Greg
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