Specimen Fireball 1 :   December 21, 2008   1226 UT

Observer's comment:  This was the best fireball of the night. It was particularly long trailed.

Sonic Movie 1 :  Ashcraft's dual forward scatter system;   video and stereo sound:
Fast meteor with detailed reflection.
 FB20081221_1226uthe_Ashcraft.mp4  14 seconds   700 KB

Sonic Movie 2 :  Full duration of radio reflection.  Long lasting ionization.
 FB20081221_1226utlo_Ashcraft.mp4  1 minute 50 seconds  5 MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor reflection begins during the 1226-1227 UT minutes.
 






Specimen Fireball 2 :   December 21, 2008   0508 UT

Sonic Movie 1 :  Ashcraft's dual forward scatter system;   video and stereo sound:
Strong reflection. Initial part only.
FB20081221_0508uthe_Ashcraft.mp4  14 seconds  600 KB

Sonic Movie 2 :  Full duration of radio reflection.
Long lasting ionization.
FB20081221_0508utlo_Ashcraft.mp4   1 minute 13 seconds   3.2  MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor reflection begins during the 0508-0509 UT minutes.
 





Specimen Fireball 3 :   December 21, 2008   0816 UT

Sonic Movie :  Ashcraft's dual forward scatter system;   video and stereo sound:
Dim meteor with weak but evident ascending reflection.  Difficult to see meteor in movies.
 FB20081221_0816ut_Ashcraft.mp4   33 seconds  1.7 MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor reflection begins during the 0816 UT minute.  
 





Specimen Fireball 4 :   December 21, 2008   1250 UT

Sonic Movie :  Ashcraft's dual forward scatter system;   video and stereo sound:
Swift meteor with moderate reflection.
 FB20081221_1250ut_Ashcraft.mp4  46 seconds 2.1 MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor reflection begins during the 1250 UT minute.  
 
 
 
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Thomas Ashcraft
35.50 North Lat.   105.89 West Long.
New Mexico

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