[crater] Flamsteed is a small lunar crater located on the Oceanus Procellarum. It lies almost due east of the dark-hued Grimaldi, and north-northwest of the flooded Letronne bay on the south edge of the mare. The rim of this crater is not circular in form, having a bulging rim to the southeast. The interior is relatively flat and undistingu...
Found on
http://en.wikipedia.org/wiki/Flamsteed_(crater)

1646–1719, English astronomer.
Found on
https://www.infoplease.com/dictionary/flamsteed
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