No. 166,  No Hard X-rays from Comet Lovejoy, by H. Hudson and P. St.-Hilaire: Amazing and sungrazing, but no strong radiation above the EUV bands

See http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/No_Hard_X-rays_from_Comet_Lovejoy

Older Nuggets are available at
http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets
 (the current series, 2008-present), and at
http://sprg.ssl.berkeley.edu/~tohban/nuggets/ (the original series, 2005-2008).

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