Comet Holmes with Nikon 400mm F2.8 AIS lens with TC300 2X teleconverter on Celestron CG-5. Kodak BW 400-2 film, C-41 process. Albuquerque, NM, USA
<a href="//commons.wikimedia.org/w/index.php?title=User:Doctor_ER&amp;action=edit&amp;redlink=1" class="new" title="User:Doctor ER (page does not exist)">Edward L. Ruden</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>