Robuta

https://gcn.nasa.gov/circulars/2 GCN - Circulars - 2 - v4 - GRB 971024: USNO Observations gcn circulars grb observations https://gcn.nasa.gov/circulars/3 GCN - Circulars - 3 - v4 - GRB 971024: KPNO Optical Observations gcn circulars grb optical observations