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Do-it-yourself moon-finding

Hunting for irregular moons is a matter of stare-and-compare — whether done by eye or computer.
Scott Sheppard and David Jewitt had to do it the hard way. You don't.For them, hunting for satellites swarming around giant planets meant using a big telescope that's expensive to operate, Moreover, it sits high in the thin, cold air atop Mauna Kea, where astronomers are almost 40 percent of the way into space. For you, however, the job comes a little easier (and cheaper). You can do it seated comfortably at home, computer keyboard in hand.In the course of their searching, Sheppard and Jewitt to...

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