COMET 46P/WIRTANEN Taken by Kevin Palmer on December 16, 2018 @ Sheridan, WY

Here is my capture of Comet 46P/Wirtanen at its closest approach flying by the Pleiades star cluster.
This image was shot with a Nikon 180mm f2.8 lens on a Nikon D750. It is a stack of 8 2.5 minute exposures, along with 4 dark and bias frames. An iOptron Skytracker was used to track the stars.