Hi Phillipe,

Nice to see you join to our community.

The change in Dome position from 29 degrees to 335 degrees was due the change of the OTA_SIDE property from 1 to -1.

This property can be changed by the telescope driver or by the user pressing the OTA Side button (I discard the second case for obvious reasons).

So, the question is why the telescope driver changed this property?

A nice test to be done would be to check your dome driver (or dome simulator) with the telescope simulator.

On the other hand, OTA pier side is a confusing concept when the telescope point to circumpolar stars, and this can cause programing bugs.

In my particular observatory, because my mount do not report the pier side, I always set this property manually, so I never seen this problem, of course.

Regards,
Ferran

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