This picture of the largest sunspot group in a decade is a collage of images taken on March 27, 2001, at the National Science Foundation's Richard B. Dunn Telescope at the National Solar Observatory in Sunspot, New Mexico.

This picture of the largest sunspot group in a decade shows the Sun as seen by a film camera at the National Science Foundation's McMath-Pierce Telescope at Kitt Peak, AZ, on Friday morning, March 30, 2001. It was taken by Dr. Bill Livingston, a staff member of the National Solar Observatory in Tucson, AZ.

This picture of the largest sunspot group in a decade shows the Sun in white light as seen by the National Science Foundation's Global Oscillation Network Group (GONG) instrument in Big Bear, CA., on March 30, 2001.