Robuta

https://gcn.nasa.gov/circulars/18689 GCN - Circulars - 18689 - GRB151212A: Swift/UVOT observations gcn circulars swift observations https://loi.uvic.ca/archive/lot_21932.html T:12 DL:432 S:2 Q:N 1/2 PL:18689 L:D (#21932)