I, Q, U, V map of a sunspot

The new Diffraction-Limited Spectro-Polarimeter (DLSP) at the Dunn Solar Telescope at Sacramento Peak captured this (I, Q, U, V) Stokes parameters map of a sunspot on March 31st, 2002, even in its earliest, Phase I, configuration. For further details, see the June 2002 NOAO Newsletter (no.70), NSO section (currently only available in PDF format).