NASA Infrared Telescope Facility Observing Proposals. The due date for the 2022A semester (February 1, 2022 to July 31, 2022) is Friday, October 1, 2021. See our online submission form. Information on available facility and visitor instruments and performance can be found at:

https://irtfweb.ifa.hawaii.edu/instruments

Observing on-site or remote observing is available with SpeX, MORIS, iSHELL, and MIRSI/MOC (available as shared risk); please see the instrument pages for more information, including the exposure time
calculators for SpeX and iSHELL. New DAPR instructions for the application form are required starting 2022A.

https://irtfweb.ifa.hawaii.edu/observing/callForProposals.php