46P/Wirtanen is a small short-period comet with a current orbital period of 5.4 years. It belongs to the Jupiter family of comets, all of which have aphelia between 5 and 6 AU. On 16 December 2018 the comet passed 0.0774 AU (11,580,000 km; 7,190,000 mi) (≈30.1 LD) from Earth,[3] reaching an estimated magnitude of 4.2,[6] making this pass the brightest one predicted, and the brightest close approach for the next 20 years.

Image details:

  • Location: Harold Campbell Florida Everglades

  • Scope: Stellarvue 130

  • Camera: Fli ML8300 with CFW2-7 and Astrodon Filters

  • 180 sec subs LRGB for 1 hour in Sequence Generator Pro

  • Combined in Pixinsight and processed in Photoshop