Strongest sunspot in a decade
About this image
The most vigorous sunspot activity in a decade is shown here at two different wavelengths, recorded at the Dunn Solar Telescope at the Sacramento Peak Observatory. Further details are given in an article in the June 2001 NOAO Newsletter (currently only available in PDF format).
More: solar page.
Minimum credit line: M.Sigwarth, J.Elrod, K.S.Balasubramaniam, S.Fletcher NSO/AURA/NSF
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