....and what else, dazzlenation?...well, remember 'the green curtain'?...."it could be closer than you think" replies BI online...i don't think that it is 'harmful'....see previous notes upon gill and myself, regarding that 'investigation' before the joanna lumley team were to etc etc....go figure:

Northern Lights could be visible from parts of UK due to solar storm - here’s when (msn.com)