260 Event=2010/257.125-2010/273.750 Sp.Index=-3.280+/- 0.004 He/H=0.0605+/-0.0003 end 261 Event=2010/257.125-2010/273.750 Sp.Index=-3.280+/- 0.004 He/H=0.0605+/-0.0003 end 262 Event=2010/257.125-2010/273.750 Sp.Index=-3.280+/- 0.004 He/H=0.0605+/-0.0003 end