Click on image for larger version.

Copernicus is one of the largest and newest craters on the moon. It is a bit south of Mare Imbrium (if you look at a full moon at midnight, it is the bright white spot a little left of center).

The crater is ninety-two kilometers across, and about five kilometers deep. You can see a cluster of central peaks, comparable in size to the mountain range where Kitt Peak is located, and the terraces in the crater walls, caused by landslides over the lifetime of the crater.

Clicking on the image at left will reveal a larger image from a different evening, when shadows were shorter (that is, when the Sun was higher in the sky from the crater's perspective).


Meade 16in LX200 telescope operating at f/20
SBIG ST8E CCD camera with color filter wheel

This image is a single, blue-filter exposure of .11 seconds.
The aperture of the telescope was stopped down
to four inches (10 cm). The chip was set to high
resolution, or binned 1x1.

  • Unsharp mask was applied to the final image.
  • Minimum credit line: Steve White/NOAO/AURA/NSF

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    Updated: 8/20/2000