Pathfinder event for the occultation of alpha Ori by (319) Leona on Dec 12!
Faint star and faint mag drop 0f 0.7 mag!
Last update: 2023 Oct 03,
Occult Watcher Cloud (based on JPL #70 astrometry from the observations of the occultations on Sep 13 & 16):
Prediction by the ERC Lucky Star project (2023 Oct 17):
Links to the observation campaigns for the Dec 12 event are on the special webpage of IOTA/ES: