the JWST user documentation is under development; current versions are preliminary and subject to revision.

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Articles in this section, “JWST Observation Planning,” provide content found in traditional instrument handbooks, such as information on proposal tools, cookbooks, and observing strategies.

Other sections, that are selectable from the menu are JWST Observatory and InstrumentationJWST Opportunities and Policies, and JWST Data Calibration and Analysis.

While downloadable PDF files for this and the other sections will be generated for each cycle, the online content will be constantly updated with the latest information. 

 graphical guide  is available on how to get started exploring this website using the navigation bar, search bar, and links, as well as the page tree on the right of each page.




Proposal requirements

Observatory considerations





Slit spectroscopy (coming soon)

Slitless spectroscopy

High-contrast imaging (HCI)

Time-series observations (coming soon)

Moving targets

Integral field spectroscopy (IFU)

NIRSpec multi-object spectroscopy (coming soon)

Coordinated parallels

Target of opportunity