Live coverage of Betelgeuse occultation should start in about 2 2 1/2 hours at https://www.virtualtelescope.eu/2023/12/04/the-extremely-rare-betelgeuse-occultation-by-asteroid-319-leona-online-event-12-dec-2023/
In your timezone: https://everytimezone.com/s/7e2c7e1a