Sterrenwacht Philippus Lansbergen and Hans Lipperhey Museum, <a href="https://en.wikipedia.org/wiki/Middelburg,_Zeeland" class="extiw" title="en:Middelburg, Zeeland">Middelburg</a>, <a href="https://en.wikipedia.org/wiki/Zeeland" class="extiw" title="en:Zeeland">Zeeland</a>, Netherlands
<bdi><a href="https://www.wikidata.org/wiki/Q34788025" class="extiw" title="d:Q34788025"><span title="German photographer and mathematician">Dietmar Rabich</span></a>
</bdi>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>