<a href="//commons.wikimedia.org/wiki/Category:Royal_Observatory,_Madrid" title="Category:Royal Observatory, Madrid"><b>Royal Observatory</b></a> of <b><a href="//commons.wikimedia.org/wiki/Madrid" title="Madrid">Madrid</a></b> (<a href="//commons.wikimedia.org/wiki/Spain" class="mw-redirect" title="Spain">Spain</a>).
<a href="//commons.wikimedia.org/wiki/User:Fanattiq" class="mw-redirect" title="User:Fanattiq">Fanattiq</a>
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<span class="int-own-work" lang="en">Own work</span>