Karte des Nachthimmels: Sternpositionen aus dem Bright Stars Catalogue, 5th Edition. Gerasterte Version der <a href="//commons.wikimedia.org/wiki/File:Sky.svg" title="File:Sky.svg">SVG-Version</a>
<a href="//commons.wikimedia.org/wiki/User:Manuel_Strehl" title="User:Manuel Strehl">Manuel Strehl</a>
CC BY-SA 2.5
<span class="int-own-work" lang="en">Own work</span>