This one of the 3 largest shooting stars I have seen in my 40 years looking casualy at the sky, sometimes with my telescope.
Location
Address
Bethesda, MD
Latitude
39° 0' 2.27'' N (39.000631°)
Longitude
77° 7' 42.2'' W (-77.128389°)
Elevation
72.503m
Time and Duration
Local Date & Time
2017-08-25 21:10 EDT
UT Date & Time
2017-08-26 01:10 UT
Duration
≈1.5s
Direction
Moving direction
From up right to down left
Descent Angle
231°
Moving
Facing azimuth
0.21°
First azimuth
6.01°
First elevation
60°
Last azimuth
349.31°
Last elevation
40°
Brightness and color
Stellar Magnitude
-7
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
15°
Remarks
The train seen like black smoke, I could not see the shooting star for long because it was blocked by trees. I do not knot if it exploded or continued bright into the horizon.
