JTC-1644
Mare Tranquillitatis
Less than 200 kilometres from Tranquility Base, where Apollo 11 set down in July 1969. The same dark basalt that took the first human footprint.
- Coordinates
- 2.40° N, 25.80° E
- Diameter
- 3.9 km
Schematic elevation, rendered from catalogue data. Sunlight from the west.
Mare Tranquillitatis
11.30° N, 33.50° E
In the northern reach of the Sea of Tranquility, where the basalt runs unusually rich in titanium and reads a shade bluer than its neighbours.
A steady target all month. The Sea of Tranquility is the easiest dark patch to point out to a beginner.
On the dark basalt seas. The easiest ground to find from your own backyard.
Dedication
$75
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Free shipping from Joshua Tree, CA
The 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-1702 lies at 11.30° N, 33.50° E, in Mare Tranquillitatis. On the map, north is up and east is to the right, exactly as it appears through a telescope from the high desert.

Mare Tranquillitatis
Less than 200 kilometres from Tranquility Base, where Apollo 11 set down in July 1969. The same dark basalt that took the first human footprint.
Mare Imbrium
Below the dark, perfectly flooded floor of Plato, on the northern shore of the Sea of Showers beneath the Alpine Valley.
Mare Nubium
In the Sea of Clouds, near the Straight Wall, a hundred-kilometre fault scarp that casts the sharpest straight shadow on the Moon.