100 million light years

UNSGC fellowship student, Carla Carroll, and her professor used NASA’s planet-hunting satellite and BYU’s own observatory to measure a supermassive black hole about 100 million light years away.  http://news.byu.edu/archive15-jan-blackhole.aspx

http://news.byu.edu/releases/archive15/Jan/blackhole/1411-37%20010.jpg
Graduate student Carla Carroll and Professor Michael Joner co-authored a study estimating the size of a distant black hole.