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RE: [lx90] Re: Good viewing tonight

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  • Michael Owen
    Enlightenment has arrived. Thanks for the explanation. Right Angled Finder here I come. Happy New Year to all Clear and Dark Mike North West England ... From:
    Message 1 of 9 , Jan 1, 2002
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      Enlightenment has arrived. Thanks for the explanation. Right Angled
      Finder here I come.

      Happy New Year to all

      Clear and Dark

      Mike
      North West England



      -----Original Message-----
      From: autostaretx [mailto:rseymour@...]
      Sent: 01 January 2002 07:28
      To: lx90@yahoogroups.com
      Subject: [lx90] Re: Good viewing tonight


      Original "problem":
      >>> --- In lx90@y..., Michael Owen <mike.owen@n...> wrote:
      >>> The last time I did a Polar alignment the OTA rotated until the
      >>> eyepiece was under the telescope: naturally I couldn't get into a
      >>> position to look through it:-((

      >>> When I had Er installed, the scope travelled just over 90
      >>> degrees in RA. [to reach Polaris]
      >>> This is results in me not being able to centre Polaris as
      >>> it has left the FOV of the eyepiece and I can't see through the
      >>> finderscope because of the angle. Has anyone else noticed this or
      >>> is it my setup.

      --- In lx90@y..., "Richard B. Emerson" <rick@p...> wrote:
      > You can back up to Er but IMHO Et isn't worth the bother.
      > I have Autostars with both and Et hasn't done anything to make it
      > worth the effort.

      It certainly won't be worth the effort... since the Version has
      -nothing- to do with the observed symptom.

      What -has- happened is the passage of -time-... Months of it.
      Polaris moves -around- the Pole over the course of a year.
      It's now in an "above the pole" orientation (during the evening),
      so the LX90 has to rotate until it can move the barrel "down"
      (lower Declination) to aim at Polaris.
      And that means putting the eyepiece "under" the barrel.

      Welcome to the chiropractor's true friend... Polar Mounting.

      A very good reference about this is Clay's Kochab's Clock article
      at http://www.weasner.com/etx/ref_guides/polar_align.html

      --dick (been there, crawled under that)



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