Robuta

https://gcn.nasa.gov/circulars/2806 GCN - Circulars - 2806 - GRB041015 : Optical follow-up at Kiso follow up gcn circulars optical kiso https://gcn.nasa.gov/circulars/2809 GCN - Circulars - 2809 - GRB041015,optical observation gcn circulars optical observation