PROJECT 10073 RECORD CARD 1. DATE 6 November 1957 3. DATE-TIME GROUP Local _______________ GMT 18/2045Z 5. PHOTOS □ Yes ✗ No 7. LENGTH OF OBSERVATION Not given. 10. BRIEF SUMMARY OF SIGHTING Brilliant flash of bluish white light, appearing brighter than a meteor. Purple ring surrounding. ATIC FORM 329 (REV 26 SEP 52) 2. LOCATION 13 dgr 20' N 17 dgr 30' W Over N Atlantic 4. TYPE OF OBSERVATION □ Ground-Visual □ Ground-Radar ✗ Air-Visual □ Air-Intercept Radar 6. SOURCE Military 8. NUMBER OF OBJECTS 9. COURSE West 11. COMMENTS Fireball. 12. CONCLUSIONS □ Was Balloon □ Probably Balloon □ Possibly Balloon □ Was Aircraft □ Probably Aircraft □ Possibly Aircraft ✗ Was Astronomical Meteor □ Probably Astronomical □ Possibly Astronomical □ Other_______________ □ Insufficient Data for Evaluation □ Unknown