Diameter 112 km Colongitude 288° at sunrise | Depth None Eponym Johann J. Balmer | |
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Balmer is the lava-flooded remains of a lunar crater. Only the heavily worn southern and eastern sections of the crater still survive; the remainder being overlaid by a lava flow that joins to the nearby mare. Balmer lies to the east-southeast of the crater Vendelinus.
Satellite craters
By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Balmer.
References
Balmer (crater) Wikipedia(Text) CC BY-SA