We train our telescopes on small patches of sky for long spells, trying to drink in as much faint light from distant objects as possible. (newscientist.com)
The telescopes continuously move back and forth over the same small patch of sky, looking for minute deviations from average. (discovermagazine.com)
«The surveys are sweeping the sky in a very systematic way, but amateurs can look outside of the survey paths, and they also have the flexibility to look closely at small patches of sky,» Chesley says. (discovermagazine.com)