Contains:  Solar system body or event
2013-02-21 @ 12-34-13gmt:  The Sun in Ha ->  AR11673 in Close-up, Fernando

2013-02-21 @ 12-34-13gmt: The Sun in Ha -> AR11673 in Close-up

2013-02-21 @ 12-34-13gmt:  The Sun in Ha ->  AR11673 in Close-up, Fernando

2013-02-21 @ 12-34-13gmt: The Sun in Ha -> AR11673 in Close-up

Equipment

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Acquisition details

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Description

This AR has some small spots associated, nonetheless is very active. This close-up view shows the twisting of the magnetic field manifesting itself in the shape of the spicules.

Again refer to the Ca-K image of the day to locate this AR. It is almost on the center of the disc.

Comments

Histogram

2013-02-21 @ 12-34-13gmt:  The Sun in Ha ->  AR11673 in Close-up, Fernando