PROJECT 10073 RECORD CARD 12. CONCLUSIONS 0 Was Balloon 17 .May 1955 San Franc isco, California 0 Prubobly Balloon 0 Possibly Dolloon 3. OATETIME GROUP tt. lYPE OF OBSERVATION "\\Ground Visua l 5. PHOTOS 6. SOURCE 0 Ground-Rada r 0 Air-Inte r cept R a d a r 0 Was Aircraft 0 Probably Aircraft 0 Po ui bl y Ai rcroft 0 Wos Astronorruc oiJ u pi t e r 0 Probably Astronomical CX:-i>ossibly Astronomical 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE 0, Othttr _ D Insufficient Doto for EvoiJotton S Cl'tlOnary , J ~tUnlcnown ' _ .appTax f j ve minutes 10 . BRIEF SUMMARY OF SIGHTING One round, bright r eddislt bronze object approximately s ize o f h ead o f pin held at arm's let1gth was observed to hang in west ern sky for few minutes, the n apparently to disappear at tremendous speedo Observation was aided by u s e of o ptical. means. ATIC FORM ~29 ( REV 26 S E P 5 2) Possibly ast ro (Jn p i t er. Descriptio n of s i ghting & dire c tion t o the object f r o:a observe r s t rongly s uggests pLane~ Jupiter. , UFOB INDEX CARD 2. LOCATION 1 12. CONCLUSIONS 1/ 0 Wa'!l Balloon ~ Hay 19'' San FrsDaoisco, Calitornia o Probably Balloon Po s si bl Y Boll oon 0 Was Aircraft 0 Probably Aircraft i bl Y A i rc r s. PH.OTOS 6. SOURCE 0 Was Astronomical .J ut)t T 'C (. 0 Ground Visual 0 GroundRador CJ Yes .Q Probably Astronomico( lZ~N~o~ J JC~i~?~l~l~i~a~DL :-----------I !il Possibly Astronomi col 1 1. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE 0 Other j pprox tin (5) mimte lO. BRIEF SUMMARY OF SIGHTING row1, bright reddish bronze objaot ~'~ tel7 tbe sise ot thebead ot a piD held at u.a length 'WU observed tA bang ill \l'!tatern aq ~at' a rev minutes' and then, . ap.pann~ to disappear at ndoua speed. ~-... 0 Insufficient Data For Evaluation J a wa~iOMl'(YJ just o Unknown aout.b or due W 1 11. COMMENTS Poesib:cy-astronomical 1 Planet Jupi ~r Due to th. l;lkel:yhood--of this--sighting "~::tllCmd: ~.t-r:Wtce t,he de a crip- tion ot the 31gbt1ng and the direction ~J.CIID vaa .aided b7 the use of optical to the object the obse~ atrongo4J AlSOP FormS (15 Oct 54) esuggeata tbe planet Jupi , and the~ pr-o iOlrtlil-i coeril2g--addi tionalinfor!hlltioD,-l:lO .. Nr ,..111Jft8-author1~ed-by r this -organ12a .