Elmer (crater)
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 Apollo 12 image | |
| Coordinates | 10°14′S 84°11′E / 10.23°S 84.18°E |
|---|---|
| Diameter | 16.86 km (10.48 mi) |
| Depth | Unknown |
| Colongitude | 276° at sunrise |
| Eponym | Charles W. Elmer |
Elmer is a small lunar impact crater that is located to the south of Mare Smythii, near the eastern limb of the Moon. This crater is seen at a highly oblique angle from Earth, and the visibility is affected by libration. Elmer lies southwest of the crater Kreiken, and east-southeast of the larger Dale. This is a circular, bowl-shaped crater with an interior floor that occupies about half the total diameter.
The crater was named by the IAU in 1976[1] after Charles Wesley Elmer, an amateur astronomer and the co-founder of PerkinElmer.[2]
