Complex sentence: A supernova was detected in NGC 3244 on June 27,2010, designated SN 2010ev, with an apparent magnitude of about 14, the third brightest supernova observed in 2010.
Split into simpler sentences: A supernova was detected in NGC 3244 on June 27,2010, designated SN 2010ev. With an apparent magnitude of about 14, it was the third brightest supernova observed in 2010.