JTC-2688
Mare Imbrium
Below the dark, perfectly flooded floor of Plato, on the northern shore of the Sea of Showers beneath the Alpine Valley.
- Coordinates
- 48.20° N, 8.50° W
- Diameter
- 5.9 km
Schematic elevation, rendered from catalogue data. Sunlight from the west.
Mare Imbrium
34.20° N, 14.80° W
A clean, bowl-shaped impact on the smooth floor of the Sea of Showers. Its rim is young enough to still throw a crisp shadow at first quarter.
Rides high over Joshua Tree on spring evenings. Look two-thirds of the way up the northwestern quadrant.
On the dark basalt seas. The easiest ground to find from your own backyard.
Dedication
$22
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This crater has already been named and is retired from the atlas.
Find another craterThe Moon keeps one face turned toward Earth, so your crater is fixed in the same spot of sky every clear night of your life.
JTC-1042 lies at 34.20° N, 14.80° W, in Mare Imbrium. On the map, north is up and east is to the right, exactly as it appears through a telescope from the high desert.

Mare Imbrium
Below the dark, perfectly flooded floor of Plato, on the northern shore of the Sea of Showers beneath the Alpine Valley.
Mare Imbrium
Set against a wrinkle ridge, a frozen buckle in lava that cooled three billion years ago. The ridge points toward the crater like a drawn arrow.
Mare Serenitatis
Where the Sea of Serenity meets the highlands, on ground that has been struck, flooded by lava, and struck again.