Solar-Geophysical Data Number 515, July 1987. Part 1 (Prompt Reports). Data for June 1987, May 1987, and Late Data

摘要

;Contents: Detailed index for 1986-1987; Data for June 1987--(IUWDS alert periods (advance and worldwide), Solar activity indices, Solar flares, Solar radio emission, Stanford mean solar magnetic field); Data for May 1987--(Solar active regions, Sudden ionospheric disturbances, Solar radio spectral observations, Cosmic ray measurements by neutron monitor, Geomagnetic indices, Radio propagation indices); Late data--(Solar active regions-shaded H-alpha synoptic charts October 1986-February 1987, Solar radio emission-(Solar interferometric chart Nancay May 1987, and Culgoora spectral observations April-November 1986), Geomagnetic indices- (Sudden commencements March-April 1987, and Provisional Dst February-March 1987)).