SWIFT GRB with an optical candidate counterpart detected by Swift-UVOT at Ra/Dec: 166.57679, -15.11159 detected at a ~20.4 estimated magnitude in white filter at 136 seconds after the BAT trigger. GRANDMA/TAROT imaged 1 min post T0 with a magnitude in r of 15.7 +/- 0.2 up to 5 min (r-band of 17.4 +/- 0.2).
I-care
(P=1.0)
GO GRANDMA
(P=1.0)