Why hasn't the Spacewatch Telescope seen the small comets?

It has. In 1988, Clayne Yeates, the late Jet Propulsion Laboratory physicist and science manager for the Galileo project, used the Spacewatch Telescope in a "skeet shooting" mode to obtain some stunning optical images of very faint streaks from the small comets. The objects he photographed had the same motion in orbit, the same speed, and were about the size, darkness, and frequency as the atmospheric holes themselves, or could be deduced from the known characteristics of atmospheric holes.

L.A. Frank, J.B. Sigwarth, and C.M. Yeates, "A Search for Small Solar-System Bodies Near the Earth Using a Ground-Based Telescope: Technique and Observations," Astronomy & Astrophysics, 228, 522, February 1990. More.

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