Three of us saw it. We were out at our dark site doing some astrophotography. I have a graphic on my site I made showing its approximate path across the night sky from our perspective. You can see it here http://ontariostargazing.ca/september-27-fireball-meteor-u-s-southern-canada/
Location
Address
Moorefield, ON (CA)
Latitude
43° 43' 35.7'' N (43.726582°)
Longitude
80° 48' 16.65'' W (-80.804624°)
Elevation
401.022949m
Time and Duration
Local Date & Time
2013-09-27 23:30 EDT
UT Date & Time
2013-09-28 03:30 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
135°
Moving
Facing azimuth
198.7°
First azimuth
185.78°
First elevation
25°
Last azimuth
204.66°
Last elevation
15°
Brightness and color
Stellar Magnitude
-12
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Unknown
Duration
2s
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
flash were so bright the dark of night around was lit up - the ground, hill, tress and field. Like bright flashes of lightning would light up the dark around you.