Masakatsu Aoki

Masakatsu Aoki (青木 昌勝, Aoki Masakatsu, born 1957, Toyama Prefecture) is a Japanese amateur astronomer who operates from his private Aoki Astronomical Observatory (908) at Toyama, Toyama Prefecture, Japan.^[3]

Asteroids discovered: 2
(16769) 1996 UN1	29 October 1996
58627 Rieko	8 November 1997
Supernovae discovered: 13
SN 1996an	28 July 1996
SN 1996aq	17 August 1996
SN 1996ca	15 December 1996
SN 1996cb	16 December 1996
SN 1997X	2 February 1997
SN 1997dd	20 August 1997
SN 1997dq	3 November 1997
SN 1997eg	3 November 1997
SN 1997ei	24 December 1997
SN 1999eu	24 December 1997
SN 2000db	6 August 2000[1]
SN 2000di	23 August 2000[2]
SN 2016C	3 January 2016

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.^[1][2] In 2016, he discovered the supernova SN 2016C in NGC 5247.^[3] In the course of his search, he has also discovered two asteroids during 1996–1997.^[4] He has named the asteroid 58627 Rieko in honour of his wife.^[5]