The time is an estimate. It was dusk but still pretty light out. I thought I was seeing an aircraft flying unusually high until the object flashed and disappeared.
Location
Address
Chelmsford, MA
Latitude
42° 35' 53.33'' N (42.598147°)
Longitude
71° 20' 42.91'' W (-71.345252°)
Elevation
44.021324m
Time and Duration
Local Date & Time
2026-07-09 20:15 EDT
UT Date & Time
2026-07-10 00:15 UT
Duration
≈1.5s
Direction
Moving direction
From up left to down right
Descent Angle
91°
Moving
Facing azimuth
327.59°
First azimuth
310.34°
First elevation
69°
Last azimuth
352.4°
Last elevation
69°
Brightness and color
Stellar Magnitude
-5
Color
Orange, Yellow, Light Yellow
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
20s
Length
7°
Remarks
Smoke trail. I thought it was an aircraft flying extremely high until it flashed brightly and only the trail was left
Terminal flash
Observation
Yes
Remarks
The object just got bright very quickly then only a smoke trail was left.
