Robuta

https://test.gcn.nasa.gov/circulars/739 GCN - Circulars - 739 - GRB000630: Optical observations gcn circulars optical observations https://test.gcn.nasa.gov/circulars/746 GCN - Circulars - 746 - GRB000630, Revised BVRI Field Photometry gcn circulars revised field photometry