[AZ-Observing] Re: Troubles on the Pole [Was: Re: Re: Tonight (Friday)
- From: Stan Gorodenski <stan_gorodenski@xxxxxxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Sun, 25 Feb 2007 08:37:31 -0700
Thanks for the tip on the Meade described method. I did not know this.
What might also drive someone crazy who may not be aware of it and is
striving for _perfect_ alignment is the fact that the two axis of
rotation are obviously not perfectly orthogonal. If off too far, it
might require putting some shims where the fork attaches to the RA
drive, assuming the individual has a fork type mount so they can do it.
Out of luck if the person has a German Equatorial to be able to make
this kind of correction.
Stan
gene lucas wrote:
>The two-star "go-to" computer-aided alignment routine, as explained in
>the Meade manual for equatorial alignment, does NOT work properly (as
>stated). When re-centering on Polaris, going back and forth from
>Polaris to an equatorial star, you MUST re-center to only 1/2 the
>(error) distance. Otherwise, the adjustment/solution will NOT
>"converge". This will drive you craaaaaazzzzzy. (The Meade folks know
>about all this.....)
>
>
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