GRB 180720B: LCO Haleakala possible bright optical candidate. Martone, R. ; Guidorzi, C. ; Kobayashi, S. ; Mundell, C. G. ; Gomboc, A. ; Steele, I. A. ; Cucchiara, A. ; Morris, D. Abstract Publication: GRB Coordinates Network Pub Date: 2018 Bibcode: 2018GCN.22976....1M