An observation manual for stellar occultation by asteroids has been released. ▶ Documentation (Manuals)
Category: main activity
Asteroidal occultation predictions for 2026
Asteroidal occultation predictions of 2026 are now available: Asteroidal occultation prediction 2026
Presentation Files and Minutes of the FY2025/26 Annual General Meeting
Presentation files and minutes of the FY2025/26 Annual General Meeting, held on August 31, 2025, are now available at IOTA/EA FY2025/26 Annual General Meeting – presentation files and mitunes.
IOTA/EA FY2025/26 Annual General Meeting (2nd circular)
Date & Time, Meeting Program for IOTA/EA FY2025/26 Annual General Meeting on Aug 31 has disclosed.
Power of Attorney for the Annual General Meeting FY2025/26 available
Please register your participation from the page IOTA/EA FY2025/26 Annual General Meeting on Aug 31
PHAETHON OCCULTATION OBSERVATION CAMPAIGN AND DATA ANALYSIS WORKSHOP – 2025
Dear IOTA/EA members We will hold a Phaethon occultation observation campaign and an observationworkshop. Location:だて歴史の杜カルチャーセンター 視聴覚室 （入場無料） 〒052-0012 北海道伊達市松ヶ枝町34番地1 TEL 0142-22-1515 FAX 0142-22-1155 JR北海道伊達紋別駅からタクシー約8分 *https://culture.dcpc.jp/* Date: September 19, 202509:00-12:00 Occultation Observation Frontline13:00-17:00 Occultation Observation Frontline + Observation Briefing Individual dinner, then move to observation site. After observation, go home.Phaethon occultation…
Registration for the FY2025/26 Annual Meeting available
Please register your participation from the page IOTA/EA FY2025/26 Annual General Meeting on Aug 31
IOTA/EA FY2025/26 Annual General Meeting (1st Circular)
We are pleased to inform you about the FY2025/26 Annual General Meeting of IOTA/EA. This year’s meeting will be held remotely on 2025 Aug 31(Sun). Please visit the page IOTA/EA FY2025/26 Annual General Meeting (1st Circular)
Member applications for FY2025/26
Member applications for the upcoming FY2025/26 season (August 2025 to July 2026) are now available. The membership fee for FY2025/26 is now being accepted. Please visit the page Join IOTA/EA
IOTA/EA Phaethon Stellar Occultation Observation Campaign 2024
Asteroid (3200) Phaeton has been predicted to occult a 12.5 magnitude star on November 16, 2024 (see https://fumi-yoshida.wixsite.com/occultation-ws/phaethon2024obs for details), and IOTA/EA has organized a campaign to observe Phaeton’s stellar occultation. We set up 18 observation sites in Japan and 4 in China. 63 people participated. The observation reports are available here.…