Rayed arc or "breakup" phase aurora. Ektachrome photo by John R. Winckler, 13 May 1991, from University of Minnesota O'Brien Observatory, Marine-on-the-St. Croix, Minnesota.
[ 1 ]
[ 2 ]
[ 3 ]
[ 4 ]
[ 5 ]
[ 6 ]
[ 7 ]
[ 8 ]
[ 9 ]
[ 10 ]
[ 11 ]
Back to the
Aurora in MN
Page
Last Updated: 15 August 1998