Brightest and largest fireball I’ve seen. I live north of Bozeman, Montana under Bortle 3 skies and I saw it clearly from inside my house which has very large windows. It was traveling generally north to south.
Location
Address
Belgrade, MT
Latitude
45° 52' 36.33'' N (45.876757°)
Longitude
111° 2' 29.8'' W (-111.041611°)
Elevation
1505.091431m
Time and Duration
Local Date & Time
2025-05-03 21:30 MDT
UT Date & Time
2025-05-04 03:30 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
115°
Moving
Facing azimuth
90°
First azimuth
90°
First elevation
35°
Last azimuth
99°
Last elevation
10°
Brightness and color
Stellar Magnitude
-19
Color
Green
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
Very bright white turning to green flash then smaller white fragments as it faded into the distance
Fragmentation
Observation
Yes
Remarks
Bright white then bright green then fragmented white pieces as it faded
