Well, an orrery wouldn't help see it.
O' ye of little faith, surely you cannot be so shortsighted.
Unassailable reason stands beside the Black Wind. For in losing sight of their western star - and being Dwemer of the Newest-Old-Ways - their Parabolic Mythematicians were compelled to construct nothing less than a full orrery for the means of rediscovering it (lest they be forced to wait the hour till the midnight cloud of Secundus cleared).
Whether this speaks more to their logic or their industry I cannot say, but who needs to see a star when you can predict where it will land.