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

Vessel: Astrea; flag: Portugal / Brazil; rig: Galera. People recorded in connection with the voyage: Investor: Alves, Antônio Ferreira; Captain: Alves, Augusto Fernandes. The voyage began at Rio de Janeiro on 7 May 1827. Principal recorded place where captives were acquired: Cabinda (West Central Africa and St Helena). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 68 days. Estimated mortality during the crossing: 20.0%. Recorded outcome: Voyage completed as intended.