NASA's Webb Space Telescope Observes 3I/ATLAS1(science.nasa.gov)
science.nasa.gov
NASA's Webb Space Telescope Observes 3I/ATLAS1
https://science.nasa.gov/blogs/3iatlas/2025/08/25/nasas-webb-space-telescope-observes-interstellar-comet/
1 comments
They released a paper. Preprint linked in page.