1) German surname 
[crater] Seeliger is a relatively small lunar impact crater that lies near the southeastern edge of Sinus Medii. This is a circular, cup-shaped feature that has not been appreciably worn by impact erosion. To the southeast is a rille named the Rima Réaumur, following a line to the northwest. In the north is the 110-km-long Rima Oppolzer, w...