Robuta

https://gcn.nasa.gov/circulars/8630 GCN - Circulars - 8630 - GRB 081128: optical observation in CrAO gcn circulars grb optical observation https://test.gcn.nasa.gov/circulars/8573 GCN - Circulars - 8573 - GRB 081128: Enhanced Swift-XRT position gcn circulars grb enhanced swift https://gcn.nasa.gov/circulars/8594 GCN - Circulars - 8594 - GRB 081128: optical observation gcn circulars grb optical observation