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From Discovery News - Top Stories:
Most discoveries of new celestial objects are made by ultra-modern observatories peering deep into space with ever-increasing precision. But sometimes it's down to meticulous record keeping of decades of astronomical images before a discovery reveals itself.
Scientists using the Digital Access to a Sky Century at Harvard (DASCH) have announced the discovery of a new class of variable star after digitizing a century-worth of photographic plates.
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