GRB 180720B: MITSuME Akeno optical observations. Itoh, R. ; Murata, K. L. ; Tachibana, Y. ; Harita, S. ; Morita, K. ; Shiraishi, K. ; Iida, K. ; Oeda, M. ; Adachi, R. ; Niwano, S. ; Yatsu, Y. ; Kawai, N. Abstract Publication: GRB Coordinates Network Pub Date: 2018 Bibcode: 2018GCN.22983....1I