The 2019 IAC deadline for abstract submissions was extended due to the overwhelming response. The new deadline is 13 March 2019 (23:59 CET).
All details on how to submit an abstract can be found at http://www.iafastro.org/events/iac/iac-2019/technical-programme/. Abstracts can be submitted at www.iafastro.net.
If you have any questions or need our help, please feel free to contact the IAF secretariat at support@iafastro.org.