These grants are aimed at furthering collaborative projects in observational astronomy and are open to astronomers globally. Projects must emphasize on long-term visits and international collaboration. Applicants must have a PhD or equivalent.

Agencies Involved: American Astronomical Society

Key Dates: The application deadline is April 1 each year.

https://aas.org/grants-and-prizes/chr%C3%A9tien-international-research-grants