NGC 5539
galaxy
NGC 5539 is a large lenticular galaxy in the Boötes constellation. It is located 857 million light-years away and was discovered by John Herschel on 24th April, 1830. According to Herschel, he found it quite large and irregular. NGC 5539 is about 273,000 light-years in diameter, meaning it is much larger compared to the Milky Way and its neighbor, the Andromeda Galaxy. It is the brightest cluster galaxy in Abell 1890.