GRB100906A: Ashra-1 observation of early optical emission. Asaoka, Y. ; Hirai, S. ; Itoh, T. ; Masuda, M. ; Morimoto, Y. ; Ota, K. ; Sasaki, M. ; Kogure, D. ; Ogawa, S. ; Tsujikawa, H. ; Binder, P. ; Learned, J. Abstract Publication: GRB Coordinates Network Pub Date: 2010 Bibcode: 2010GCN.11291....1A