The Swedish Vacuum Solar Telescope (SVST) at La Palma makes high resolution images of the solar photosphere using adaptive optics. This image is taken on April 27 and shows the large sunspot in Active Region 8970.
Click here for a high resolution version of this image. More info at Astronomy Picture Of the Day (APOD - 22 May 2000).
Credits: G. Scharmer, L. Rouppe van der Voort et al., SVST