Stirling Astronomical Society Gallery

Autumn Sunspots

17 Oct 2026

Autumn Sunspots

Autumn Sun with sunspot groups 4551 and 4557

© Alan Cayless all rights reserved.

After the activity that caused last week's Aurora, the Sun remains active with two large sunspot groups currently visible. Sunspot Group 4551 (right) consists of two large spots with a number of smaller spots. Group 4557 (left of centre) is a more diffuse group of smaller spots.

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