Robuta

https://gcn.nasa.gov/circulars/6340 GCN - Circulars - 6340 - GRB070419a: Swift UVOT observations gcn circulars swift observations https://test.gcn.nasa.gov/circulars/6310 GCN - Circulars - 6310 - GRB070419A, optical observation gcn circulars optical observation