| Top left: he 1st targeted AR by XRT (AR 10921), 06-NOV-2006 12:50:42 Apol/Open 1.03"/pix |
| Top middle : amazing kinks of a loop arcade (AR 12232), 12-DEC-2014 05:58:48 Betn/Open 2.06"/pix |
| Top right : a giant flare cusp (AR 12242), 20-DEC-2014 06:06:49 Betn/Open 2.06"/pix |
| Bottom left : a huge coronal hole extension, 26-OCT-2016 18:19:32 Apol/Open 2.06"/pix |
| Bottom middle : a gorgeous sigmoid (AR 12473) 27-DEC-2015 06:34:12 Betn/Open 2.06"/pix |
| Bottom right : the strongest flare (X9.3 from AR 12673). 06-SEP-2017 18:13:45 Betn/Open 1.03"/pix |
| (https://xrt.cfa.harvard.edu/xpow/20220207.html) |
