Solar-Geophysical Data Number 630, February 1997. Part 1 (Prompt Reports). Datafor December 1996, January 1997 and Late Data. Explanation of Data Reports Issued as Number 515 (Supplement) July 1987

摘要

;Contents: Data for January 1997; Solar-Terrestrial Environment; IUWDS AlertPeriods (Advance and Worldwide); Solar Activity Indices; Solar Flares; Stanford Mean Solar Magnetic Field; GOES-7 Daily Electron Fluence; Data for December 1996; Solar Active Regions; Sudden Ionospheric Disturbances; Solar Radio Spectral