REF: UAP/1970s/119Explained
1977-09-20

Petrozavodsk phenomenon

Petrozavodsk / Karelia · USSR·Mass sighting (rocket-linked)·1970s
Explained
§ ASummary

Glowing 'jellyfish' rained beams over city; sparked Soviet Academy investigation ('Setka' program); coincided with secret Kosmos-955 launch from Plesetsk.

§ BWitnesses

Thousands in Karelia & Leningrad region

§ CEvidence & Documentation

Soviet Academy of Sciences reports; Setka-MO/AN program docs

§ DOfficial Investigation

USSR Academy of Sciences 'Setka' program (est. 1977)

§ EStatus Assessment

Explained: Plesetsk launch; historically important for launching Soviet UFO studies

§ FVerifiable Sources

Gindilis report; Sokolov/Setka archives; Rubtsov, 'The Tunguska Mystery' context