Name    Start         End           Event Density sqdeg
IC40    2008 Apr 5    2009 May 20     1.00 +/- 4%
IC59    2009 May 20   2010 May 31     3.12 +/- 2%
IC79    2010 May 31   2011 May 13     3.44 +/- 2%
IC86a   2011 May 13   2012 May 16     4.04 +/- 2%
IC86b   2012 May 16   2015 May 18    12.32 +/- 1%
IC86c   2015 May 18   2017 Oct 31    20.17 +/- 1%
