This was so large, it looked like a massive boulder and the heating up of it was around the outside, ie. the middle of the fireball was still dark as it passed by.
Location
Address
Niagara Falls, Ontario (CA)
Latitude
43° 10' 0.35'' N (43.166763°)
Longitude
79° 15' 10.63'' W (-79.252952°)
Elevation
103m
Time and Duration
Local Date & Time
2017-09-27 01:10 EDT
UT Date & Time
2017-09-27 05:10 UT
Duration
≈7.5s
Direction
Moving direction
From up left to down right
Descent Angle
98°
Moving
Facing azimuth
70.66°
First azimuth
36.94°
First elevation
24°
Last azimuth
78.57°
Last elevation
19°
Brightness and color
Stellar Magnitude
-9
Color
Orange, Red
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
2s
Length
99.99°
Remarks
glowing embers burning off from red to orange/yellow.