Kepler's Supernova
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SN 1604, also known as Kepler's Supernova, Kepler's Nova or Kepler's Star, was a Type Ia supernova that occurred in the Milky Way, in the constellation Ophiuchus. Appearing in 1604, it is the most rec
A false-color composite (CXO/HST/Spitzer Space Telescope) image of the supernova remnant nebula from SN 1604
X-ray image of SN 1604 from the Chandra X-ray Observatory
G299 Remnants Super Nova Type 1a 20150218
SN 1572
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SN 1572, or B Cassiopeiae, was a supernova of Type Ia in the constellation Cassiopeia, one of eight supernovae visible to the naked eye in historical records. It appeared in early November 1572 and wa
Kepler's Supernova
…weeks. Records of its sighting exist in European, Chinese, Korean, and Arabic sources. It was the second supernova to be observed in a generation (after SN 1572 seen by Tycho Brahe in Cassiopeia). No further supernovae have since been observed with certainty in the Milky Way, though many others outside the…
Remnant of SN 1572 as seen in X-ray light from the Chandra X-ray Observatory
The red circle visible in the upper left part of this WISE infrared image is the remnant of SN 1572.