NGC 5247 [SEP] constellation
NGC 5247
NGC 5247 is a face-on unbarred spiral galaxy located some 60 million light years away in the constellation Virgo. It most likely belongs to the Virgo Supercluster of galaxies; the same supercluster that hosts the Milky Way galaxy. This is a grand design spiral galaxy that displays no indications of distortion caused by interaction with other galaxies. It has two spiral arms that bifurcate after wrapping halfway around the nucleus. The disk is estimated to be in thickness and it is inclined by roughly 28° to the line of
Masakatsu Aoki
His main interest lies in supernovae of which he has discovered a total of 13, such a SN 1999eu as well as SN 2000db and SN 2000di. In 2016, he discovered the supernova SN 2016C in NGC 5247. In the course of his search, he has also discovered two asteroids during 1996–1997. He has named the asteroid 58627 Rieko in honour of his wife. 
External links.
- Aoki's home page
- Masakatsu Aoki – Profile