Robuta

https://gcn.nasa.gov/circulars/18703?query=151215A GCN - Circulars - 18703 - GRB151215A: Early optical light curve from pt5m, La Palma https://gcn.nasa.gov/circulars/18703 GCN - Circulars - 18703 - GRB151215A: Early optical light curve from pt5m, La Palma