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234th AAS Meeting Registration

Register for the 234th AAS Meeting

Registration Fees and Deadlines

If you are registering five or more individuals from your organization and need assistance, please contact

Note: All workshop organizers, moderators, and attendees must be registered to attend the AAS meeting at which the workshop is occurring. Those attending a workshop only and not the rest of the AAS meeting will be charged a one-day registration fee in addition to the individual workshop fee.

All correspondence regarding registration should be directed to:

234th AAS Meeting
American Astronomical Society
1667 K Street NW, Suite 800
Washington, DC 20006

Tel: 202-328-2010 x104
Fax: 202-234-7850

Registration Fees

All fees listed in USD.

22 Mar
23 Mar
16 Apr
17 Apr
17 May
18 May
12 Jun
Full / International / Educator Affiliate (AAS) $520 $582 $661 $769
Solar Physics Division Member (SPD) $520 $582 $661 $769
Laboratory Astrophysics Division Member (LAD) $520 $582 $661 $769
Graduate Student Member $260 $291 $331 $384
Undergraduate Student Member $182 $204 $232 $269
Emeritus Member $156 $175 $198 $198
Amateur Affiliate $156 $175 $198 $231
Alumni Affiliate $208 $233 $265 $307
Nonmember (Local Educator) $187 $210 $238 $238
Nonmember $797 $911 $998 $1,100
Guest / Spouse (No access to sessions) $60 $60 $60 $60
Full / International / Educator Affiliate /AAS, SPD & LAD Member $260 $316 $369 $450
Nonmember $404 $461 $518 $599

Planning for the 2023 and 2024 Solar Eclipses (1½ day workshop)
Saturday, 8 June | 9:30 am − 4:30 pm
Sunday, 9 June | 10:00 am − 3:00 pm
Inversion of IRIS Mg II h&k Data: a Machine Learning Approach
Monday, 10 June | 3:00 pm – 4:30 pm
Student Orientation & Grad School Fair
Sunday, 9 June | 5:30 pm – 7:00 pm
Complimentary with meeting registration
No Fee
Opening Reception
Sunday, 9 June | 7:00 pm – 8:30 pm
No Fee

Solar Physics Division Mixer
Wednesday, 12 June | 7:15 pm – 9:15 pm

Closing Buffet Breakfast
Thursday, 13 June | 9:30 am – 10:30 am
No Fee
Field Trip to Cahokia Mounds State Historic Site
Thursday, 13 June | 2:30 pm – 6:00 pm
Rodger Doxsey Travel Prize Fund $25 - $100
Purchase Carbon Offsets $25 - $100

Please note: The workshops and events listed on this page are only those that require or allow registration through the meeting registration form. There may be other workshops and events during the meeting that are not listed here. See the online program (coming soon) for information on all events.

Registration Types

Registrant must be under 28 years of age and interested in the advancement of astronomy or related science. Full-time students age 28 or older who are pursuing a degree in astronomy or physics are eligible to register as a student upon furnishing proof of their full-time student status.

Local Educator
Local educators are middle- and high-school teachers and community college instructors who operate within 50 miles of the meeting venue.

Amateur Astronomer
An amateur astronomer is one who does not depend on the field of astronomy as a primary source of income or support, and does not have a professional degree or advanced academic training in the subject.

A guest must be a spouse, domestic partner, or significant other. Guest registration fee covers access to the exhibit/poster hall, opening and closing receptions, and daily morning and afternoon coffee breaks. Guests cannot attend workshops or scientific sessions.

Guest Registration for Children
Children 14 years old and above must pay the required guest registration fee of $60.00.

Payment Methods and Receipts

Check/Money Order: Make payable to "234th AAS Meeting"

Credit Cards: We accept Visa, MasterCard, or American Express.

Confirmation and Receipts: Confirmation and receipts for online registration appear on your browser screen immediately upon submission.

Need a receipt before the meeting? Visit, select meeting history, then select the corresponding order number.


Contact to make any changes to your registration.

Please note: Full Registrations may not be changed to One Day Registrations; however, One Day Registrations may be upgraded to Full Registrations at anytime.


Requests for cancellations must be received in writing to or by fax to 202-234-7850. Please allow 4–6 weeks for all refunds to be processed.

Registration Refunds

  • Through 22 March 2019: Registration refund less the $25.00 processing fee
  • 23 March - 17 May 2019: Registration refund less the $50.00 processing fee
  • After 17 May 2019: No refunds will be given after this date.