Robuta

https://gcn.nasa.gov/circulars/40265 GCN - Circulars - 40265 - EP250427A/GRB250427A: Keck/LRIS redshift gcn circulars keck lris redshift https://gcn.nasa.gov/circulars/40306 GCN - Circulars - 40306 - EP250427a / GRB 250427A: OHP/T193 photometric observations: third visit