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Images: The Full Subaru Deep Field
The 0.25-square-degree Subaru Deep Field spans an area of the sky similar to that covered by the full moon. Each point of light in the image is one of approximately 150,000 galaxies, each of them consisting of tens of billions of stars (except for the few bright spots that are nearby Milky-Way stars).

All 150 supernovae are highlighted on the image. Every triplet of frames zooms in on one event, showing the galaxy before the explosion, with the supernova in progress, and in a digital "difference image" that isolates the light from the supernova.

Without supernovae (JPEG - 19.4 MB)

With supernovae (JPEG - 4.6 MB)