Robuta

https://gcn.nasa.gov/circulars/8831 GCN - Circulars - 8831 - GRB 090118: KPNO 4m 2nd Epoch Observations gcn circulars grb epoch observations https://gcn.nasa.gov/circulars/3 GCN - Circulars - 3 - v4 - GRB 971024: KPNO Optical Observations gcn circulars grb optical observations https://test.gcn.nasa.gov/circulars/8831 GCN - Circulars - 8831 - GRB 090118: KPNO 4m 2nd Epoch Observations gcn circulars grb epoch observations