Meteor is small streak in highlighted boxes. Moon is
the bright blob at screen right.
Meteor 1 :
April 20, 2008 1028 UT
Observer's Comments: Cloudy till 4 am this night.
Meteor activity picking up.
Movies :
Movie
1, Sandia National Laboratories Sentinel camera capture,
without sound:
v20080420_1028ut_Ashcraft.mov
822 KB 6 seconds
Movie 2, Ashcraft's video
and forward scatter system with sound:
Slight delay in onset of radio reflection.
FB20080420_1028ut_Ashcraft.mp4
4.3 MB 27 seconds
Below: Radio spectrogram of the time of the
meteor. 61.250 MHz reception above white line, 83.250 MHz
below white line.
Meteor occurs during 1028 UT minute. Note meteor appears in top half
of chart. Later in the 1028 UT minute there was another
meteor ( in bottom half of chart ) that was out of visual range. All other
dots and blips on graph are small space dust particles.
:
Meteor 2
: April 20, 2008 1114 UT
Observer's Comments: Meteor is small elongated
blob at screen bottom. Moon is bright blob to the right.
Movies :
Movie
1, Sandia National Laboratories Sentinel camera capture,
without sound:
v20080420_1114ut_Ashcraft.mov
927 KB 6 seconds
Movie 2, Ashcraft's video
and forward scatter system with sound:
Head echo and first 20 seconds of radio reflection only.
FB20080420_1114utHE_Ashcraft.mp4
2.8 MB 20 seconds
Below: Radio spectrogram of the time of the
meteor. 61.250 MHz reception above white line, 83.250 MHz
below white line.
Meteor occurs during 1114-1115 UT minutes. All other dots
and blips on graph are small space dust particles.
Meteor 3 : April 20, 2008 1135 UT
Observer's Comments : In image above, meteor is elogated streak
at screen left bottom.
Movie :
Movie
1, Sandia National Laboratories Sentinel camera capture,
without sound:
v20080420_1135ut_Ashcraft.mov
815 KB 6 seconds
Movie 2, Ashcraft's video and forward scatter
system with sound:
Strong radio reflection.
FB20080420_1135ut_Ashcraft.mp4
3.1 MB 31 seconds