Registration fees for the 2025 DDA Meeting are as follows:

[2]

In-Person Attendance	Regular Registration (deadline: April 18)	Late Registration (deadline: May 2)
Full Member	$427	$454
Student (membership not required)	$130	$145
Emeritus Member	$130	$145
Non-Member	$571	$597

Virtual Presenter	Regular Registration (deadline: April 11)	Late Registration (deadline: May 2)
Full Member	$295	$295
Student (membership not required)	$0	$0
Emeritus Member	$0	$0
Non-Member	$395	$395

Virtual Observer	Registration Anytime
All Members and Non-Members	$10

Banquet	Registration Anytime (if room available)
Optional for In-Person Attendees	$75

Registration deadlines

Friday, 11 Apr: Regular Registration deadline
Monday, 12 May: All presenters and on-site participants must register by May 12nd. No Onsite Registration!
($10 Virtual Observer option will be available throughout the meeting.)

On or before 11 April 2025: No cancellation fee.
Between 12 April 2025 and 12 May 2025: Registration refunded less the $50 processing fee.
After 12 May 2025: No refunds will be granted. Registration fee cannot be credited to a future meeting.
Cancellations must be requested in writing. Please email reg-help@aas.org [3] with your cancellation request.
Changes to registration format (between in person and virtual) are permitted by 11 April 2025. After 11 April 2025, no changes to registration format.
Registration is not transferable from one person to another, not even within the same institution. One person must cancel following the guidelines above, and the other person register online.