There was a fairly thick mid-upper level cloud deck, fireball passed below cloud deck
Location
Address
Frederick, MD
Latitude
39° 28' 1.87'' N (39.467187°)
Longitude
77° 16' 56.6'' W (-77.282388°)
Elevation
188.787918m
Time and Duration
Local Date & Time
2013-05-18 00:31 EDT
UT Date & Time
2013-05-18 04:31 UT
Duration
?
Direction
Moving direction
From up left to down right
Descent Angle
135°
Moving
Facing azimuth
210.69°
First azimuth
-1°
First elevation
58°
Last azimuth
292.5°
Last elevation
21°
Brightness and color
Stellar Magnitude
-18
Color
Light Blue, Green
Concurrent Sound
Observation
Unknown
Remarks
2 bright pulses occurred with small glowing bright green fragments leaving main fireball
Delayed Sound
Observation
Unknown
Remarks
2 pulses were accompanied by 2 subsequent small booms
Persistent train
Observation
Yes
Duration
90s
Length
-1°
Remarks
light blue train lasted in color for 10-15 seconds, smoke trail persisted for 90 seconds until over taken by cloud deck. Was seen durring mostly cloudy conditions
Terminal flash
Observation
No
Remarks
-
Fragmentation
Observation
Unknown
Remarks
2 bright pulses occurred with small glowing bright green fragments leaving main fireball