Robuta

https://gcn.nasa.gov/circulars/36069 GCN - Circulars - 36069 - GRB 240411B: 1.3m DFOT Optical observations gcn circulars grb optical observations https://gcn.nasa.gov/circulars/36072 GCN - Circulars - 36072 - GRB 240411B: Swift-BAT refined analysis gcn circulars grb swift bat