Contains:  Solar system body or event
2013-04-21 @ 15-56-13gmt: The Sun in Ha -> AR 11723 in Close-up, Fernando

2013-04-21 @ 15-56-13gmt: The Sun in Ha -> AR 11723 in Close-up

2013-04-21 @ 15-56-13gmt: The Sun in Ha -> AR 11723 in Close-up, Fernando

2013-04-21 @ 15-56-13gmt: The Sun in Ha -> AR 11723 in Close-up

Equipment

Loading...

Acquisition details

Loading...

Description

AR11723 going to the western limb. With that huge filament around, it is possible the main spot of this AR will generate some strong flare when it is right on the edge.

Comments

Histogram

2013-04-21 @ 15-56-13gmt: The Sun in Ha -> AR 11723 in Close-up, Fernando