AR1147 Ha activity Peter Paice Image taken: Jan. 21, 2011 Location: Belfast, Northern Ireland Details: After imaging AR1147 and companion in white light I changed to Ha using my double stacked Coronado PST. Wow! What a maelstrom of flare activity. Imaged using a Philips ToUcam Pro II and stacking .avi images in Registax. ©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.