The <a href="https://en.wikipedia.org/wiki/Archenhold_Observatory" class="extiw" title="en:Archenhold Observatory">observatory “Archenhold Sternwarte”</a> in Berlin, Germany.
<a href="https://de.wikipedia.org/wiki/Benutzer:Sebastian_Wallroth" class="extiw" title="de:Benutzer:Sebastian Wallroth">Sebastian Wallroth</a>
2004-07-25
<span class="int-own-work" lang="en">Own work</span>