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Apollo 15 image
The mountains consist of four primary ridges plus several smaller hills, each forming a small rise surrounded by the lunar mare. The cluster is centered at selenographic coordinates 26.9° N, 41.3° W, within a diameter of 93 km. The formation is so-named because the peaks serve as the harbingers of dawn on the crater Aristarchus, located to the southwest.
The flooded crater Prinz is located to the southwest.