key visual subPage


Starscape photo:
Yasuhiko ENDO


Registration Fees

APRIM 2023 will be held with hybrid, both in-person (written as ‘onsite’ in the registration system) and online.
Therefore, there are two types of registration, in-person and online.
The fees of each registration type are as follow, and participants should choose which type attendees at that time of registration submission.

☐ IAU / Non-IAU members’ Registration

  • In-person Early bird (until May 31, 2023, 23:59 JST):   35,000 JPY
  • In-person Regular (after June 1, 2023, 0:00 JST):      40,000 JPY
  • Online:                      35,000 JPY

☐ Students’ Registration

  • In-person Early bird (until May 31, 2023, 23:59 JST):   20,000 JPY
  • In-person Regular (after June 1, 2023, 0:00 JST):      25,000 JPY
  • Online:                      20,000 JPY

☐ Other

  • Accompanied person:                10,000 JPY
  • (allow to enter exhibition hall and reception only)


  • The in-person registration type includes access to the welcome reception and exhibition hall.
  • The registration type is able to be changed later through the registration system*.
  • Banquets, excursions, and lunch boxes are optional at an additional fee.
    Lunch boxes: 1,000 JPY/box, Banquets: 8,000 JPY/adult, Excursions: TBD
  • Participants can choose these options at the registration system.
  • Participants can add and pay these options separate from registration fee later (it is also available after the early bird deadline).

* Please check the “Change, Cancellation and Refund” policy in the bottom of this page when you change the submitted registration.


Online Registration

Please create the online system account and start registration from this link.

System Manual

The manual is shown how to create account and registrate through the online system. Please use this as assistance for using the online system.
Account create and Registration Manual (PDF)

Note on APRIM 2023 Registration fee

Change, Cancellation and Refund

A request on any changes or cancellation of the registration should be made through the conference registration system.
After payment has been completed, a processing fee (1,100 JPY/each time) will be deducted for changes/cancellations resulting in a refund.

Full refund By April 25, 2023, 23:59 JST
50% refund April 26, 2023, 0:00 JST – June 30, 2023, 23:59 JST
No refund After July 1, 2023, 0:00 JST