OTCCD - What does OTCCD stand for? The Free Dictionary
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By monitoring the images of a guide star in the frame, and shifting charges to other pixels as the guide star meanders around for whatever reason (such as atmospheric disturbance or mechanical shakes), the OTCCD
follows the motion of every object while the exposure continues.
MIT's device, dubbed OTCCD for orthogonal transfer CCD, allows the charge to move in perpendicular directions, and to do so repeatedly before an exposure ends.
A prototype OTCCD was tested on the Michigan-Dartmouth-MIT 2.