UFO case file · UFO-29516
Alpena unidentified aerial event — November 1957
Alpena, Michigan, United States
Open this case in the interactive AtlasCase description
On or during November 1957, at or near Alpena, Michigan, United States, the source reports the following sequence: BRIEF SUMMARY OF SIGHTING One clear shaped aluminum object seen flying by to 10 to 15 seconds.
Recorded details
- Coordinate precision
- LOCALITY
- Date precision
- MONTH_ONLY