NGC 52NGC 52 is an edge-on spiral galaxy in the constellation Pegasus. It was discovered on September 18, 1784, by William Herschel. He described it as "very faint, small, extended."Physical characteristicsThe galaxy is approximately 150,000 light years across. This makes it, in comparison, about 1.5 times as large as the Milky Way. The galaxy also has a satellite elliptical galaxy called PGC (Principal Galaxies Catalogue) 1563523.