The Max-Planck-Institut für Astronomie is a research institute of the Max Planck Society. It is located in Heidelberg, Baden-Württemberg, Germany near the top of the Königstuhl, adjacent to the historic Landessternwarte Heidelberg-Königstuhl astronomical observatory. The institute primarily conducts basic research in the natural sciences in the field of astronomy.
In addition to its own astronomical observations and astronomical research, the Institute is also actively involved in the development of observation instruments. The instruments or parts of them are manufactured in the institute's own workshops.
Wikipedia https://en.wikipedia.org/wiki/Max_Planck_Institute_for_Astronomy
Official Website https://www.mpia.de/
Coordinates 49°23'47.061" N 8°43'23.814" E