Keywords: Aurora Kp Map South America.png en This map shows the midnight equatorward boundary of the aurora phenomena at different levels of geomagnetic activity A Kp 3 represents very low geomagnetic activity while a Kp 9 represents a very high level 2011-10-28 http //www swpc noaa gov/Aurora/index html kpmaps NOAA National Weather Service Space Weather Prediction Center PD-USGov Uploaded with UploadWizard Aurora Australis Original upload log wikitable - - 2011-10-29 00 11 39 850 × 425 12274 bytes Darkest tree <nowiki></nowiki> |