Robuta

https://gcn.nasa.gov/circulars/24514 GCN - Circulars - 24514 - LIGO/Virgo S190512at: MAXI/GSC Observations gcn circulars ligo virgo maxi https://test.gcn.nasa.gov/circulars/24531 GCN - Circulars - 24531 - LIGO/Virgo S190512at: CALET Observations gcn circulars ligo virgo observations