we were in abolute darkness observing the night sky and the sky lit up as if it were daytime as this thing passed slowly overhead. The boom came long afterwards.
Location
Address
, Québec (CA)
Latitude
45° 49' 1.68'' N (45.817134°)
Longitude
75° 18' 10.09'' W (-75.302803°)
Elevation
237m
Time and Duration
Local Date & Time
2021-08-21 22:30 EDT
UT Date & Time
2021-08-22 02:30 UT
Duration
≈3.5s
Direction
Moving direction
From down left to up right
Descent Angle
4°
Moving
Facing azimuth
345.09°
First azimuth
348.46°
First elevation
47°
Last azimuth
175.04°
Last elevation
29°
Brightness and color
Stellar Magnitude
-21
Color
Yellow, White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
Yes
Remarks
approximately one minute after passing overhead, there was a very deep, resonant boom
