In geneforge 1, Astrov is a scout Sholai. Like Masha, his name means star. He lead a rebellion against his commander, Trajkov, during the second Sucia incident.
Astrov revolted when he was ordered to assasinate Gottesch the Shaper who had established his camp in the wastes west of Sucia isle.
In Geneforge 1 he lies somewhere near Pentil.