Astronomy Site: Meade Advanced Products Users Group Archive: Re: [M]: Altaz alignment by sync operation


 

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Subject: Re: [M]: Altaz alignment by sync operation
From: Paul Goelz
Reply To: mapug@shore.net
Date: Tue Oct 20 18:46:13 1998

While you're here, how about checking out the Astronomy Book List ?


>First, it's an alignment trick (for both polar and altaz modes, although it
>has,
>by far, its greatest usefulness with the known-site, non-leveled altaz mode).
>Second (and perhaps less obvious at first sight), it makes it feasible to
>get into and out of the aligned mode in the blink of an eye. Thus, it is now
>a simple matter to **unlock the axes** of an lx200 and manually slew 180
degrees
>in less than one second, relock the axes, SYNC on any convenient star in that
>area of sky (e.g., one of the 250 brightest stars in the sky, listed in the
>database as star #1 to star #249, although any of the SAO's would work too),
>and be perfectly 2-star-aligned again. This could eliminate 90% of the
>slewing noise and motor wear associated with long-distance slews, for
example.

[really big snips]

It has been maybe two years since something om this list hit me with such a
big "WOW". I'm FREE! I can UNLOCK! I'm FREE!!!!!!

Just don't cross north unlocked? (Assuming the SYNC after crossing north
will really mess things up in the cord department).

BTW, the last big "WOW" for me was the "no star" alignment, which set me
free in the daytime!




Paul Goelz
Rochester Hills, MI


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