Comet C/2013 UQ4 (Catalina)

Comet C/2013 UQ4 (Catalina) appeared to be a highly active comet one day past perihelion on July 7, 2014.

Image credit: NASA/JPL-Caltech

Note: For more information, see PIA18652: NEOWISE Spots Comet Catalina and NEOWISE Spots a Comet That Looked Like an Asteroid.