Butlerov (crater)
Encyclopedia
Butlerov is a lunar
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 impact crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

 that is located on the far side of the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

, beyond the western limb and past the area sometimes brought into view through libration
Libration
In astronomy, libration is an oscillating motion of orbiting bodies relative to each other, notably including the motion of the Moon relative to Earth, or of Trojan asteroids relative to planets.-Lunar libration:...

. It is located one crater diameter to the west of the crater Pease
Pease (crater)
Pease is a lunar impact crater that lies in the north-northwestern edge of the huge skirt of ejecta that surrounds the Mare Orientale impact basin. It lies just over one crater diameter to the east of the smaller crater Butlerov. To the east-northeast of Pease is the somewhat larger Nobel.This is a...

. Further to the west is the larger Kolhörster
Kolhörster (crater)
Kolhörster is a lunar crater that is located on the moon's far side. It lies about a crater-diameter to the south-southeast of the crater Kamerlingh Onnes, and to the northeast of the crater Michelson. To the south of Kolhörster is an area marked with crater chains formed from secondary impacts...

.

This is a regular crater formation with a nearly circular rim that has a slight outward bulge along the southern edge. A smaller crater is attached to the outside of the northwestern rim. The interior is somewhat rough, but lacks a central peak.
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