No. 160,  A Flare in 3D, by Hugh Hudson and Juan Carlos Martinez Oliveros: Solar astrometry in 3D. See

http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/A_Flare_in_3D

Older Nuggets are available at
http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets
 (the new series), and at
http://sprg.ssl.berkeley.edu/~tohban/nuggets/ (the original series).

We publish these at roughly two-week intervals and welcome
contributions, which should be at least loosely related to RHESSI
science.