07:50 UT NN West Jet-like front. 11:26 UT ES East Very thin loop-like front developing toward E that quickly fades. 12:50 UT NN East Diffuse jet-like front.
00:26 UT W Limb Faint blob-like front starts to be discernible. It fades in C3, close to its inner edge. 12:50 UT W Limb Faint not-well-defined front starts to be discernible, top of a system of expanding ragged loop fronts. WIDTH in C3 at 21:18 UT: ~ 35 deg. 22:06 UT W Limb A clear loop front develops in the trail of previous event. WIDTH in C3 at 05:18 UT (04/15): ~ 35 deg. The event fades throughout C3.
07:27 UT W Limb A very faint expanding loop front starts to be discernible (slightly clearer later in C3). WIDTH in C3 at 13:42 UT: ~ 50 deg. NOTE: ----- 04/16 thru 04/19 --> see Report corresponding to 2007/04/19