8 Wavefront is very weak and uneven at 09:09; possible start time is 8 after 09:09UT 21 Some initial activity in 14:16 image 23 Some initial activity in 12:18 image 76 Only one wavefront is shown in diagram; wavefronts are very 76 inhomogeneous 85 Only one wavefront is shown in diagram; evolution is very inhomogeneous 90 Only two wavefronts are shown in diagram; third wavefront is very 90 inhomogeneous 91 Only one wavefront is shown in diagram; other wavefronts are very 91 inhomogeneous 94 Only two wavefronts are shown in diagram; third wavefront is very 94 inhomogeneous 99 Only two wavefronts are shown in diagram; third wavefront is very 99 inhomogeneous 176 Possible wave during data dropout between 02:43 and 05:07