Image of the Day: A Spiral Blue Beauty


M 100 was one of the first spirals galaxies ever discovered — a grand design spiral galaxy located within the southern part of constellation Coma Berenices approximately 55 million light-years from Earth with a diameter of 160,000 light years. In March 1901 the first supernova of M100 was found, a type I supernova found when magnitude 15.6 at a distance from its nucleus. SN 1914A was then discovered in February to March 1914; its type was indeterminable but was found when magnitude 15.7 at some distance from the center. Observations of M100 from February 21,1960, to June 17, 1960, led to the discovery of SN 1959E, another type I supernova with the faintest magnitude, 17.5, among the five found. On April 15, 1979, the first type II supernova found in the M100 galaxy was discovered; however the star faded quickly; later observations from x-ray to radio wavelengths revealed its remnant. The latest supernova was discovered February 7, 2006; the star had a magnitude of 15.3 when discovered two weeks before fading to magnitude +17.

The Daily Galaxy via NASA/Huuble/Wikipedia

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