Robuta

https://gcn.nasa.gov/circulars/11198 GCN - Circulars - 11198 - GRB 100901A: Lightbuckets Optical Observations gcn circulars grb optical observations https://gcn.nasa.gov/circulars/12772 GCN - Circulars - 12772 - GRB 111225A: Lightbuckets Optical Observations gcn circulars grb optical observations