Stirling Astronomical Society Gallery

Several groups of large sunspots passing across the face of the Sun. The large groups 4107 (lower right) and 4105 (to the left of 4107) show light bridges crossing the dark central umbra. A similar light bridge is also apperent in spot 4111 (left) which has recently appeared on the Eastern limb of the Sun, carried into view by the Sun's rotation. These light bridges are generally seen during the later stages of a spot's life, as it starts to break up.
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