Robuta

https://gcn.nasa.gov/circulars/32597 GCN - Circulars - 32597 - IPN triangulation of GRB 220927A (long) gcn circulars ipn triangulation grb https://gcn.nasa.gov/circulars/32598 GCN - Circulars - 32598 - Fermi GRB 220927A: Global MASTER-Net observations report global master gcn circulars fermi grb