Release of the new version of the APT

The Astronomer’s Proposal Tool (APT) is used to write, validate, and submit proposals for the Hubble Space Telescope and the James Webb Space Telescope.

The Space Telescope Science Institute is pleased to announce the release of APT 2020.1.1 and its associated documentation on January 22, 2020. This is the version of APT that needs to be used to support HST Cycle 28 Phase I submissions, and JWST GO Cycle 1 submissions. 

Release notes for JWST

An overview of the use and policy regarding the APT

For more explanations and to download the new APT you should consult