Towering Prominences and fading sunspots April 2

A Towering Prominence dominated the northern limb of the Sun

AR1057 on the right towards the western limb and AR11059 near the centre of the disk in H-alpha light

The same area of the Sun imaged in Ca K-line light:

AR1059 has a large filament associated with it:

Coronado H-alpha and Ca K-line PST solar scopes were used in conjunction with a DMK camera.
The images have been colourised to indicate the wavelength of light used for imaging

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Steve Wainwright's Solar Blog

Towering Prominences and fading sunspots April 2

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