Specimen Perseid 1 :   August 13, 2008    0552 UT

This fireball was the biggest Perseid  I captured during the 2008 shower.

Movie 1 :  Sentinel video camera capture, without sound:
v20080812_235244.45.mov  6 seconds  838 KB

Sonic Movie 2 :  Ashcraft's dual forward scatter system;   video and stereo sound:
Note: In this sonic movie a small meteor happens at screen left shooting downwards at 4 seconds
and then at 15 seconds into the movie the large fireball appears. The full radio reflection lasted over
two minutes and only 27 seconds of the initial echo are in this movie. 
 FB20080813_he0552utPerseids_Ashcraft.mp4   27 seconds  4.3 MB


Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor above occurs during the 0552-0554 UT minutes.

---

Specimen Perseid 2 :   August 11, 2008    0858 UT    Perseid

This was a dynamic Perseid with a strong and intricate sonic radio signature.  Especially the head echo.
Listen to this head echo in Sonic Movie 2 below with headphones if possible for the full stereophonic experience.


Movie 1 :  Sentinel video camera capture, without sound:
v20080811_0858ut_Ashcraft.mov  6 seconds  938 KB

Sonic Movie 2 :  Ashcraft's dual forward scatter system;   video and stereo sound:
This clip is the initial head echo of the fireball. The full duration of radio reflection is in Movie 3 below.
 FB20080811_pHE0858ut_Ashcraft.mp4     seconds  1.8 MB

Sonic Movie 3 :  Ashcraft's dual forward scatter system;   video and stereo sound:
Full duration of radio reflection....NOTE:  large file!
 FB20080811_p0858ut_Ashcraft.mp4   59 seconds  10.9 MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor above occurs during the 0858-0859 UT minutes.

---

Specimen Perseid 3 :   August 14, 2008    0502 UT


Movie 1 :  Sentinel video camera capture, without sound:
v20080812_230207.15.mov  6 seconds  838 KB

Sonic Movie 2 :  Ashcraft's dual forward scatter system;   video and stereo sound:
Full duration of sonic reflection.
   FB20080813_0502ut_Ashcraft.mp4   41 seconds  6 MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor above occurs during the 0502 UT minute.

---

Specimen Perseid 4 :   August 14, 2008    0441 UT

A smaller, more typical Perseid.

Movie 1 :  Sentinel video camera capture, without sound:
v20080813_224117.34.mov  6 seconds  938 KB

Sonic Movie 2 :  Ashcraft's dual forward scatter system;   video and stereo sound:
Nice meteor in stereo headphones.  Full duration of reflection.
 FB20080814_0441ut_Ashcraft.mp4   35 seconds  5.6 MB

Radio spectrogram of the time of the above meteor.  61.250 MHz reception above white line, 83.250 MHz below white line.
Meteor above occurs during the 0441 UT minute.
 

---

Fireballs_August_12_2008_Ashcraft.html
Back to Daily Fireball Archive