IOTA/ES - Call for Observations
International Occultation Timing Association / European Section e.V.
Past stellar occultations of the last weeks.
Supected binary asteroid! Faint star! Short max. duration of only 0.98 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2015-5329-257866-647434-U077190 GAIAMOONS: https://gaiamoons.imcce.fr/occ.php?p=93979
Apollo asteroid and potential hazardous asteroid (PHA)! Contact binary! (see: https://en.wikipedia.org/wiki/4769_Castalia) Bright star! Short max. duration of only 0.40 s! Path Coordinates of Occultation of TYC 7302-02215-1 by 4769 Castalia…
Bright star! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2013-16784-310682-646344-H108346
Bright star! Short max. duration of only 0.40 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2013-38180-262278-646808-T01131-1
Bright star! Short max. duration of only 0.40 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2010-21945-290148-646838-U202080
Bright star! Annular occultation (apparent star diameter: 2.4 mas, asteroid: 2.2 mas) Short max. duration of only 0.37 s! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2007-26432-157426-649106-J4406141
Supected binary asteroid! Last update: 2026 Jun 27, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2007-3470-261801-646729-U137710 GAIAMOONS: https://gaiamoons.imcce.fr/occ.php?p=111380
Bright star! Last update: 2026 Jun 14, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2006-10261-219248-645837-U080818
Aten asteroid and potential hazardous asteroid (PHA)! Very short max. duration of only 0.11 s! Last update: 2026 Jun 28, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/2005-152637-233085-645828-T01279-1
Bright star! Very short max. duration of only 0.15 s! RUWE 3.5: Path shift possible. Observe outside of the path as well. Last update: 2026 Jun 14, Occult Watcher Cloud:…