IOTA/ES - Call for Observations
International Occultation Timing Association / European Section e.V.
Stellar occultation by objects in solar system which should be on an observer’s high priority list.
Apollo asteroid! Both components of double star WDS 20160+3703 (2017: PA 213°, Sep 1.7″) will be occulted across Europe! Very short max. durations of only 0.15 s! Last update: 2024…
Bright star! Apollo asteroid! Very short max. duration of only 0.16 s! Last update: 2024 Jul 31, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1335-276049-287503-649858-H100176 Preliminary prediction by S. Preston (IOTA): https://asteroidoccultation.com/2024/2024_08/0828_276049_84346.htm Upcoming occultation…
Bright star! Double star! Problematic astrometry! Short max. duration of only 0.66 s! Last update: 2024 Jul 20, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1317-244519-320941-648922-U149408 An alternate prediction shows the path more to…
Trans-Neptunian-Object! Extended path uncertainty! All stations should observe! Last update: 2024 Jul 17, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1298-523722-304370-647119-U164593
Annular occultation! Expect fades >5 s due to star diameter! Faint mag drop of only 0.20 mag! Last update: 2024 Jun 09, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1289-191491-255254-646966-G53714
Occultation of the fainter component of double star WDS 14356+0024! Distance between components ~1.3″! Faint mag drop only 0.46 mag! Last update: 2024 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1250-16346-206604-648019-G35512
Occultation of the brighter component of double star WDS 14356+0024! Distance between components ~1.3″! Last update: 2024 May 08, Occult Watcher Cloud: https://cloud.occultwatcher.net/event/1250-16346-206604-648019-G35411
Annular occultation! Apparend size of asteroid is smaller than of the star! Variable star! Other sources give a Vmag ~9! Very faint mag drop. Even fainter at the path limits!…
Confirmation of a binary asteroid needed! Short max. duration of only 0.39 s! David Dunham (IOTA) wrote on PLANOCCULT on 2024 Apr 17: The event is important because Gaillard was…
Supected binary asteroid! Very faint star! During dawn! Raphaël Lallemand (GAIAMOONS project) wrote on PLANOCCULT on Feb 20: Please observe the occultation even if you are located OUTSIDE THE PATH…