We received 2 reports about a fireball seen over Toscana and Provence-Alpes-Côte d'Azur on Friday, December 22nd 2017 around 17:30 UT.
The trajectory displayed on the map and the KML file has been automatically computed based on all the witness reports and may not be the most optimized.
Each witness has a "level" of experience from 1 to 5 - 5 is the highest level of experience.
Use the buttons on the bottom left section of the map to change the display options.