Many telescopes could be looking at stars when they are about to be occulted
by the moon, satelite or any preferably dark object in the sky. With many
looking at the same object, the light curves can be averaged to get a high
resolution view of half of the star's planetary system. When using the moon as
the occulter, it's best to make the obeservation when the leading edge of the
moon is dark, close to the new moon.
 
 

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