AO Guide logo AO Guide Astrophysics Challenge

Cancelled · AOAC 2026 has been cancelled due to sudden, unforeseen circumstances. We are truly sorry.

AOAC

Sign in to AOAC

Access your participant dashboard

or

Use this if you didn't register with a Google account.

AOAC 2026 has been cancelled and registration is closed. Signing in only shows your dashboard — there is nothing you need to do there.

AO Guide Ecosystem

Bridging the gap between Olympiad theory and real astrophysics.

Resources

Contact

aoac@aoguide.app

© 2026 AO Guide Project