No, astronomy keeps insane amounts of datasets, because things turn up often enough that what was interpreted as a star fifty years ago is actually a planet. Go

No, astronomy keeps insane amounts of datasets, because things turn up often enough that what was interpreted as a star fifty years ago is actually a planet. Going through, looking for precovery images means that the more data you have, the more you can sift through later with more knowledge. The old data may never be analyzed, but it still waits there until we discover more about the universe to find its significance.