Adding another Harbinger to the list
“It is said, the comet always precedes them…“
C/2013 US10 (Catalina) reaches its brightest
Comet C/2013 US10 (Catalina) is forecast to reach its brightest, at around mag 4.8. It will lie at a distance of 1.30 AU from the Sun, and at a distance of 0.77 AU from the Earth.
Smoking Comet C/2013 US10 Catalina: Photo taken by Michael Jäger on December 11, 2015 @ Jauerling Austria
Comet Catalina is brightening in the eastern pre-dawn sky, not yet visible to the naked eye, but an easy target for backyard telescopes. Detailed finder charts may be found in this article from Sky & Telescope. Monitoring is encouraged! Resources: 3D orbit, ephemerides.
Comet Catalina (C/2013 US10) is finally gliding into northern skies, climbing through Virgo.
See Also
Best photos of Comet Catalina
Comets in Ancient Cultures
Comets: Harbingers of War, Death and Disaster
Head Space 