Complex sentence: To improve the observations, a new observatory was planned on the Hainberg, a small hill south east of Göttingen, and after opening of a new observatory in 1929 the instruments where transferred from Göttingen to this new location.
Split into simpler sentences: To improve the observations a new observatory was planned on the Hainberg, a small hill south east of Göttingen. After the opening of the Observatory at the Hainberg in 1929 the instruments where transferred to this new location.