Den 2020-10-26 kl. 01:02, skrev Dennis Lee Bieber:
> On Sun, 25 Oct 2020 21:16:59 +0100, Björn Lundin 
> declaimed the following:
>
>>
>> I do not have tracking - yet. But that is part of whats fun with a pi
>> (and 3d-printer). I control the elevation but not the azimuth.
>
>  Alt/Az mounts will add another complication -- image rotation.

Hmm, yes. Thanks for the pointer

>  An equatorial mount, if reasonably polar aligned, only requires
> tracking in right ascension (east/west) as the declination (north/south) of
> an object doesn't change as the night goes on. No rotation of objects in
> the view.

Is that true also for planets?
I get that it correct for stars and deep sky objects,
but planet evolve around the sun, not polaris

As you may have noticed - I am a novice in this field.

--
Björn

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