Original: Massalia was discovered by A. de Gasparis on September 19 , 1852 in Naples , and also found independently the next night by J. Chacornac in Marseilles . It was Chacornac 's discovery that was announced first .
Simplified: Massalia is the Greek name for Marseille , where Chacornac made his discovery ( de Gasparis was observing from Naples ) .