Contains:  Solar system body or event
Sunspot Monster 3664, Geoffrey Gilles

Sunspot Monster 3664

Acquisition type: Lucky imaging
Sunspot Monster 3664, Geoffrey Gilles

Sunspot Monster 3664

Acquisition type: Lucky imaging

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Description

Focus on the large sunspot region 3664. This massive region of about 7000 square million kilometres is composed of more than 65 sunspots and is the scene of a reduced surface temperature caused by concentrations of magnetic flux that inhibit convection. Close to the limb, the Granules convection cells caused by the convection currents of plasma in the Sun's convective zone below the photosphere are less visible.

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Sunspot Monster 3664, Geoffrey Gilles