Silverado Galaxy (NGC 3370 or UGC 5887) is a spiral galaxy about 98 million light-years away in the constellation Leo. It is comparable to our own Milky Way both in diameter (100,000 light years) and mass (1011 solar masses).
NGC 3370 exhibits intricate spiral arm structure that is sprinkled with hot areas where new stars are forming. Its center has well defined dust lanes and an unusually ill-defined nucleus. This galaxy contains a combination of young stars in the bluer regions and older stars in the yellowish core.
A region on the edge of the galaxy shows bright blue clusters of young, massive stars as well as distant, red background galaxies shining through.
On November 14, 1994 a type Ia supernova was discovered in NGC 3370, designated as SN 1994ae, which is one of the nearest and best observed supernovae since the advent of modern digital detectors.