54th Annual DDA Meeting


DDA 54
Annual Meeting of the Division on Dynamical Astronomy
Michigan State University, East Lansing, Michigan
8 – 12 May 2023

The Division and AAS are now requiring that all attendees at the meeting not only be vaccinated, but they need to have received a booster.

1. Verify Vaccination     2. Register for DDA54 

Please read the full AAS policy regarding exceptions before uploading your documents to Crowdpass.

Note that it might take up to 24-48 hours for the vaccine verification to be processed. This can be completed at any time before registering. Please complete vaccination verification step early so there are no delays around the registration deadlines.

Registration Instructions:

Registration Deadlines:

  • Mon, 10 Apr: Early Registration deadline
  • Mon, 24 Apr: Last day to register. No Onsite Registration!
    ($10 Virtual Observer option will be available throughout the meeting. All presenters and on-site participants must be register by April 24!)

If you need assistance with vaccination verification please contact [email protected]
If you need assistance with registration please contact [email protected].

Registration Fees:

Regular Registration (until 10 Apr) Late Fee (11 Apr - 24 Apr)
In-person non-member $530 $550
Virtual non-member $375 $395
In-person AAS/DDA member $399 $425
Virtual AAS/DDA member $280 $295
In-Person student $125 $139
Virtual Student $85 $95
Virtual Observer (non-presenters only) $10 $10 (accepting registration until May 12)
Banquet (optional for in-person registrants only) $60 $60