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; estimated standardized tonnage: 298. People recorded in connection with the voyage: Investor: Alves, Domingos Fernandes; Investor: Ferreira, Antônio; Investor: Souza, Domingos de Carvalho e; Investor: Alves, Antônio Ferreira; Captain: Silveira, Valentim José da. The voyage began at Lisbon on 20 May 1826. Principal recorded place where captives were acquired: Mozambique (East Africa and Indian Ocean islands). Principal recorded disembarkation place: Rio de Janeiro. Recorded duration of the captives' Atlantic crossing: 54 days. Estimated mortality during the crossing: 5.0%.