1. I don't know how long it was observable before I saw it.
2. After it came into my field of view it was over in about 2 or 3 seconds?
3. I was looking towards SAGITTARIUS (trying to find comet) in case the angles I picked on the survey are wrong. The object entered my left eye field of view because it was very bright and after about 1 or 2 seconds I looked to see what it was.
Location
Address
Gaithersburg, MD
Latitude
39° 9' 43.04'' N (39.161956°)
Longitude
77° 10' 25.24'' W (-77.173677°)
Elevation
154.978m
Time and Duration
Local Date & Time
2018-06-28 23:45 EDT
UT Date & Time
2018-06-29 03:45 UT
Duration
≈3.5s
Direction
Moving direction
From up left to down right
Descent Angle
94°
Moving
Facing azimuth
63.38°
First azimuth
336.38°
First elevation
67°
Last azimuth
43.43°
Last elevation
69°
Brightness and color
Stellar Magnitude
-25
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
Yes
Duration
1s
Length
-
Remarks
Semi glowing tail that looked like "embers" glowing, much smaller in size than main, which quickly fizzled out. Then the main object fizzled out / disintegrated.
Terminal flash
Observation
Yes
Remarks
Then the main object fizzled out / disintegrated... almost like what I would describe as a small mini "star burst". But the flash was not much brighter than main object, which was very bright already.
Fragmentation
Observation
Yes
Remarks
Semi glowing tail that looked like "embers" glowing, much smaller in size than main, which quickly fizzled out.
