A small sharp-rimmed crater on the southwestern edge of the Sea of Serenity. The crater lies at the southern extent of a line of branching rilles, the Rimae Suplicius Gallus, that run northwestward for nearly a hundred kilometres beneath of the mountain range of Montes Haemus.
Named for a Roman politician and astronomer, Sulpicius Gallus is a small lunarcrater a little over twelve kilometres in diameter. It lies on the
southwestern edge of the Sea of Serenity, near the foothills of the
Montes Haemus.
