Duluth, MinnesotaApril 1963

PROJECT 10073 RECORD CARD |
1. DATE 2. LOCATION 12. CONCLUSIONS
g 5 ; 0 Was Balloon
7 April 1963 | Duluth, Minnesota 0 Probably Balloon
3. DATE-TIME GROUP | 4 TYPE OF OBSERVATION 0 Possibly Balloon
oa iba tious liv: Phakic ia RE round- Visual O Ground-Rodar 2 lB
: GMT 08/0320Z O Air Visual 8] Air-Intercept Radar |O Possibly Aircraft i
ESTP HOT OS nema een seas ar: ox | IBUSOUR GE Bi ie dy ro rust nse ho ee | ph RE A slats
O Yes DO Probably Astronomical {
; XR No | Civilian O Possibly Astronomical
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE JB 0) | rE AR ARR Re
Insufficient Data for Evaluation !
O Unknown |
15 minutes | one I SE
10. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Round bright white object size of star | ECHO was over Duluth at 820 DPM
moving to SE. No change in intensity, at 83 dgr elevation S of City |
: and object lost in brightness of moon. moving SE, Time error of exactly
: Initial observation at 45 dgr elevatio one hour, Sighting conforms to
290 dgr azimuth and disappearance afte satellite observation with this
15 minutes at 30 dgr elevation 120 dgr exception. Possible error in
azimuth, Straight flight, Appeared to conversionto Zebra time, Case
bo satellite from flight path. considered as insufficient data
due to this discrepancy.
Ha Le A
ATIC FORM 329 (REV 26 SEP 52)