Robuta

https://test.gcn.nasa.gov/circulars/15577 GCN - Circulars - 15577 - GRB 131127B: Bassano Bresciano Observatory,archival confirmation of... bassano bresciano gcn circulars grb https://test.gcn.nasa.gov/circulars/15574 GCN - Circulars - 15574 - GRB 131127B: rejection of optical counterpart candidates gcn circulars grb rejection optical