Event Support

General Support

  • Phone: 703-502-1550, press or say option 8
  • Email: meetings@astro.org
  • ASTRO 2025 FAQs: coming soon.

Virtual Meeting Support

Virtual Support Schedule (Pacific time)

Saturday, September 277:00 a.m. – 6:15 p.m.
Sunday, September 287:00 a.m. – 6:00 p.m.
Monday, September 297:00 a.m. – 6:00 p.m.
Tuesday, September 307:00 a.m. – 6:15 p.m.
Wednesday, October 17:00 a.m. – 1:30 p.m.

Speaker/Moderator Support

Registration Support