Reports Report 646a (Event 646-2020)

This report has been linked to the following event: Event 646-2020
Observer
NameAkemi H
Experience Level2/5
Remarks体感時間が長かったが、実際は5秒以内かもしれません。だが何度か見かけた火球より見える時間が長くて、最後の発光が強く大きかったのは確かです。
Location
Address松本市, 長野県 (JP)
Latitude36° 12' 31.46'' N (36.21°)
Longitude 137° 57' 53.91'' E (137.96°)
Elevation596.5m
Time and Duration
Local Date & Time2020-02-04 19:01 JST
UT Date & Time2020-02-04 10:01 UT
Duration≈7.5s
Direction
Moving directionFrom up to down
Descent Angle180°
Moving
Facing azimuth279.52°
First azimuth278.02°
First elevation75°
Last azimuth279.52°
Last elevation30°
Brightness and color
Stellar Magnitude-8
Color橙色, 黄色, 薄黄色
Concurrent Sound
ObservationNo
Remarks-
Delayed Sound
ObservationNo
Remarks-
Persistent train
ObservationNo
Duration-
Length-
Remarks-
Terminal flash
ObservationYes
Remarks細く白い光から増光し、最後急激に黄色〜橙色に強く大きく発光し消えた。
Fragmentation
ObservationNo
Remarks-