A video posted on Facebook on December 26, 2015 at 08:46 UTC shows a plane circling in the sky near Genoa and leaving a racetrack contrail
https://www.facebook.com/idromarco/posts/1230480320302678
Also, there is a photograph of the same or similar contrail taken at approximately the same...
Several tweets about this today:
I'm assuming these are near real-time, as people tweet from their phones. That would put this one at around 12:50 PDT (UTC-7) 19:50 UTC.
It appears to be looking due south, from...
