Sunspot from the NSO Sacramento Peak Vacuum Tower Telescope

This sunspot from the NSO Sacramento Peak Vacuum Tower Telescope, showing features on the scale of about 100 km, is representative of the images and results to be presented September 28 - October 2, 1998, at the 19th National Solar Observatory / Sacramento Peak Workshop on "High Resolution Solar Physics: Theory, Observations, and Techniques". The workshop is dedicated to Dr. Richard B. Dunn and the Vacuum Tower Telescope will be renamed in his honor during the workshop.