Robuta

https://gcn.nasa.gov/circulars/32656?limit=100&query=130427A&view=index GCN - Circulars - 32656 - GRB 221009: Swift/UVOT Detection gcn circulars grb swift detection https://test.gcn.nasa.gov/circulars/32656 GCN - Circulars - 32656 - GRB 221009: Swift/UVOT Detection gcn circulars grb swift detection