This is very interesting. Could comets diving into the Sun trigger CMEs (Coronal Mass Ejections)? We now seem to have two examples of comet impacts followed quickly by CMEs.
http://www.spaceweather.com/archive.php?view=1&day=03&month=10&year=2011
Clear skies, Alan
http://www.spaceweather.com/archive.php?view=1&day=03&month=10&year=2011
Clear skies, Alan