NGC 5539

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.
It is said NGC 5539 can be classified as a high surface brightness galaxy with a surface brightness value of 11.40 mag/am².