Helen E. Coffey

• Catalog of observation times of ground-based Skylab-coordinated solar observing programs
• Collected data reports for STIP Interval II
• Collected data reports on August 1972 solar-terrestrial events
• Data compilation for the magnetospherically quiet periods February 19-23 and November 29-December 3, 1970
• Data on solar-geophysical activity associated with the major ground level cosmic ray events of 24 January and 1 September 1971
• Solar-geophysical activity reports for Stip Interval XV