The slave ship Bela Astrea departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Brazil.

Vessel: Bela Astrea; flag: Portugal / Brazil; rig: Schooner. People recorded in connection with the voyage: Captain: Guimarães, Manoel José da Silveira. The voyage began at Bahia, place unspecified on 9 June 1821. Principal recorded place where captives were acquired: Malembo (West Central Africa and St Helena). Principal recorded disembarkation place: Bahia, place unspecified. Estimated mortality during the crossing: 7.0%. Recorded outcome: Voyage completed as intended.