Probing flare-generated interplanetary disturbances by the Vega-1 and Vega-2 space probes during January-February 1986

Results of magnetic measurements, conducted during Vega-I and Vega-2 space probes passing through interplanetary flare-generated disturbances on the 18 - 19.01., 8 - 9.02. and 15 - 17.02. 1986, are presented. Within disturbances structure bow and backward shock waves, magnetic clouds and interaction area between clouds are identified. Comparative investigation of disturbances from ball weak flares doublet 1n 15 -16.01 and from more energetic flares doublet 2n 14 - 15.02 are conducted. Normals to shock fronts and cloud boundaries correlate with disturbance specific flatness concept