Reports Report 3418bo (Event 3418-2024)

Observer
Name Jeffrey M
Experience Level 4/5
Remarks I was packing up my telescope after an outreach event. I was standing at my table facing SW. My table completely illuminated in a greenish light (so the source was in front of me and to the west). Thinking it was headlights at first I did not look up. Then realizing the angle, I looked up after a couple bright flashes. I could see the ending of the fireball as it passed from western Bootes (on a line from Izar) to where it went dark just above Megrez in Ursa Major. Based on this, it must have originated, from my location, in Serpens Caput or Ophiuchus, passed through Bootes and ended in Ursa Major. Color included white, orange and green. There was a visible smoke trail briefly remaining after the light went out. After about 90 seconds, I heard a loud boom.
Location
Address Holmen, WI
Latitude 44° 3' 23.22'' N (44.056449°)
Longitude 91° 16' 58.43'' W (-91.282898°)
Elevation 222.073837m
Time and Duration
Local Date & Time 2024-07-11 23:04 CDT
UT Date & Time 2024-07-12 04:04 UT
Duration ≈7.5s
Direction
Moving direction From up left to down right
Descent Angle 98°
Moving
Facing azimuth 290.29°
First azimuth 277.24°
First elevation 57°
Last azimuth 316.43°
Last elevation 50°
Brightness and color
Stellar Magnitude -18
Color Green, Orange, Yellow, Light Yellow, White
Concurrent Sound
Observation No
Remarks -
Delayed Sound
Observation Yes
Remarks booms about 90 seconds after
Persistent train
Observation Yes
Duration 10s
Length 15°
Remarks evenly wide, 1/4 degree, gradually tapering to termination
Terminal flash
Observation No
Remarks -
Fragmentation
Observation Yes
Remarks there seemed to be some small pieces separating off as it went. sparks.