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What’s new

  • IOTA/EA FY2026/27 Annual General Meeting (1st Circular)
    by Tsutomu Hayamizu
    We are pleased to inform you about the FY2026/27 Annual General Meeting of IOTA/EA. This year’s meeting will be held remotely on 2026 Aug 30(Sun). Please visit the page IOTA/EA FY2026/27 Annual General Meeting (1st Circular)
  • Recruitment of Regular Members FY2026/27 and Payment of Membership Fees
    by Hiroshi Akitaya
    Regular member applications for FY2026/27 (coming new fisical year) is now being accepted. Please visit the Join IOTA/EA page. The membership fees will be used for management of the organization, operation of a WWW server, data archiving system, etc. Membership fee: 1,500 JPY/yearAcceptance period: from June 1, 2026 to July 31, 2026. Regular members who…
  • ADVANCE NOTICE: Recruitment of Regular Members FY2026/27 and Payment of Membership Fees
    by Hiroshi Akitaya
    Regular member applications for FY2026/27 (coming new fisical year) will be accepted soon. Please visit the Join IOTA/EA page after June 1st, 2026. The membership fees will be used for management of the organization, operation of a WWW server, data archiving system, etc. Membership fee: 1,500 JPY/yearAcceptance period: from June 1, 2026 to July 31,…
  • IOTA/EA FY2026/27 Plan
    by Hiroshi Akitaya
    The FY2026/27 plan of IOTA/EA has been relased. See details at IOTA/EA FY2026/27 Plan.
  • Observation manual for asteroidal oculltation
    by Hiroshi Akitaya
    An observation manual for stellar occultation by asteroids has been released. ▶ Documentation (Manuals)
  • Asteroidal occultation predictions for 2026
    by Hiroshi Akitaya
    Asteroidal occultation predictions of 2026 are now available: Asteroidal occultation prediction 2026
  • IOTA/EA activity presented at the instruentation workshop for Japanese astronomers
    by Hiroshi Akitaya
    IOTA/EA activity has been presented by Mr. Yuto Tome (Kyutech, AstroKIT) at the Optical and Near-infrared Astronomical Instrumentation Workshop 2025, held on November 10-11 at Kyoto Sangyo University.

Annoucements

2025/03/03

Asteroidal Occultation Prediction 2025 updated March table.

2025/02/01

Asteroidal Occultation Prediction 2025 updated February table.

2025/01/03

Asteroidal Occultation Prediction 2025 updated January table.

2024/4/29

Report: Occultation Observation Workshop Using CMOS Cameras (Exchange Meeting) on 2024 Mar 23-24

Campaign

2025/9/19 : 16h52mUT

Asteroidal occultation by (3200)Phaethon

2024/11/16 : 18h56mUT

Asteroidal occultation by (3200)Phaethon

The flyby target body for the DESTINY+ mission (link to HAL site)

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