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Subject: Re: [M]: 201XT with ETX first try
From: Rick Keil
Reply To: mapug@shore.net
Date: Tue Apr 14 21:53:30 1998
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While you're here, how about checking out the
Astronomy Book
List ? |
Rick Keil wrote:
Herb, I should have mentioned that I'm not too familiar with the flip
mirror setup, so the fixes I suggested didn't consider the flip mirror
being the culprit. :)
Rick
> Herb, it could be a few things. If you had the star focussed with
> Meade's 9mm illuminated reticle (which is parfocal), then maybe your
> crosshairs need to be adjusted because they might not be showing what
> the CCD sees as centered. Another thing might be this- is the 201XT
> nosepiece fully inserted? There is a little notch on the nosepiece that
> can catch on the eyepiece locking thumbscrew, preventing it from being
> fully inserted. Yet another thing could be your exposure settings.
> Meades default setting is 2 seconds I believe, which should be long
> enough for Polaris to show up brighter. However if you changed the
> exposure time (Et on the display), maybe you cut it down too short.
>
> If you've already checked these things, then try tapping the keypad in
> various directions until the star shows up on the CCD chip, but make
> sure to let it go through a couple of 'Br At' cycles before hitting the
> keypad again. When you find the star, center it, then reinsert your 9mm,
> and adjust the crosshairs accordingly.
>
> Hope this helps.
> I do have some helpful information on using the 201XT on my webpage.
> Goto the section that says '201XT Helper Chart'.
>
> Hope this helps :)
> Rick Keil
> http://www.geocities.com/CapeCanaveral/Launchpad/4278/
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