Virtual registration for #IAU Symposium 385 on #astronomy and satellite constellations is closing on Monday, 17th September. Please consider attending this informative and dynamic event! The full symposium program is now available on: https://research.iac.es/congreso/iaus385/pages/symposium/programme.php #Conferences #Space #SpaceSustainability https://cdn.masto.host/astrodonsocial/media_attachments/files/111/064/989/185/794/123/original/ddb334297d480f92.jpeg