PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD
. DATE 2. LOCATION 12. CONCLUSIONS
0 Was Balloon
17 May 1955 San Francisco, California 0 Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION 0 Possibly Balloon
Local_. Ground-Visual Ground-Rador 0 Was Aircraft
0 Probably Aircraft
GMT.. GMT. 18/0605Z Air-Visual Air-Intercept Radar Air-Intercept Radar Possibly Aircraft Possibly Aircraft
5. PHOTOS 8. SOURCE 0 Was AstronomicolJupiter Was AstronomicolJupiter
Yes Yes 0 D Probably Astronomical
No ENo Civilian xPossibly Astronomical xPossibly Astronomical
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS NUMBER OF OBJECTS . COURSE . COURSE , Other. , Other
Insufficient Data for Evaluation Insufficient Data for Evaluation
stationary, jstUnknown
approx five minutes one one south of due south of due $ $}
10. 10. BRIEF SUMMARY OF SIGHTING BRIEF SUMMARY OF SIGHTING 11. COMMENTS
One round, bright reddish bronze One round, br: ight reddish bronze Possibly astro Possibly astro (Jupiter. (Jupiter.
object approximately size of head size of head Description sighting &
of pin held of pin held at arm's length was ength was direction to the object from
observed to hang in western sky observed hang in western sky observer strongly suggests planet
for few minutes, then apparently Er +1w Jupiter.
to disappear at tremendous s speed.
Observation was aided by use of
optical means.
ATIC FORM 329 (REV 26 SEP 52)
.

FONED 20 ATIC 00 08412
W 26
Multi
10.0055 09 39
INFORMATION
UTG"S1 YIETC5 MVA17S XA"7I"LA15YLGT*1 31
'77Y JEDS JEIW JETHO JUPVL
2 JE'L 1C20 LATIA
13 7452 3ATIMO
- TLT SVC CT HANILTON AFP CALIT TLT SVO CTY MANILTON AFP CALIT 3ATIA
TO JTTHG/DIR OF INTEL YO VASH ES, DC TO JTTHG/EIR OF INTEL YO VASH ES, DC
JEBUE/AIN TECH ITEL CEITES VPIGNT TATTEISON ATT JEBUE/AIN TECH ITEL CEITTS VTIGNT TATTEISON ATT OHIO (
JEE/COTR ABC ENT AFT ONTR ALC ZNT AFD COLO
TOYL/ESTAI1 "/ DIVISION SIUTSTO
T
C ATTH ATTIAA-2C
i. A. ROUND
P. SIZE OF HEAD OF A PIY AT ARKS LENGTH
C. "RIGHT REDDISH PRONZE
D. ONE
E. NONE
F. NONE
G. NONE G 35.
H. NONE H. NONE
I. LIGHT NOT OF TERFECT INTENSITY I. LIGHT NOT OF FERFECT INTENSITY THROUGHOUT SIGKTING PRGAN THROUGHOUT SIGKTING PRGAM
AGE THO JUPVL 1626
"IGNT AND GRADUALLY FADEP TO HOTHING.
A. CDTICE "NIGUTESS OF OJECT
, AREAST SLICUTLY SOTH Or VEST ORPOTVTES "OCITTM
AT ELEVATION ANGLE ESTIVATED DEGPEES
C. IISSAPDEAPED AT SA'E ELEVATION TUT ASI'WTH NAD INCREASED
O NORTE VEST
AT TTHT OE SICMTLC TOIZMTNTES T AT

..
AGS 1V0 J0L 1626
-TIGNT AND CPADUALLY FADED TO NOTHING. |
2. A. NOTICE "RIGITNESS OF ORJECT -
". AWPEARED SLIGHTLY SOUTH OF BIE VEST FROU OTEREVERS "OSITION
:T ELEVATION ANGLE ESTINATER 1 I DEGPEES
C. EISSAPPEARED AT SA'E ELEVATION -UT ASI'UTH MAD INCREASED
NOWTH UEST
D. AT TIVE OF SICHTING AND FOUP "IMWTES THEREAFTEH OPJECT
AS STATIONARN THER AEPTANED TO ACCTLAPATE PAPIOLY TO
'OPTHNEST FOR NEYT OFE AND ONE TORTHNEST FOP HEYT ONE AND ONE HALF "IUTES HALF "IUTES
E. LICHT FAPES COMTLETELY E. LICHT FAPEE CONTLETELY
F. ESTIATED FIVE AND OUE VALF "INITES F. ESTIATED FIVE AND OUE VALE "INITES ( (
e A. GROUNG VISHAL A. GROUNO VISHAL
T. EIGHT POMER TINOCULARS . EIGHT POMER TINOCULARS
C. NONE
A. 18'657
P. NIGHT
SAI
SAN FRANCISCO CALIF
IFE AT SANE ADDPESS ALSO OTSERVED
(
-AGE THREE JUPVL 162G
A. CLEAR SLIGIT MATE STANS TLAIL" VISI'LE
P. SAN FPANCISCO UINTS
TUPFACE VEST RONTH VEST 1C TOTS 6*FT 35/17 "TS
FY 55/27V19 16007T 33-/3 FT 33"/35VTS
C. CLEAR 3 4-FT 34*/45"TS 5005T 33/45VTS
D. 15 MALES.
.1g
F. HOVE
IOM
HOME

SAN TRANCISCO CALIF
-
"IFE AT SAME ADDRESS ALSO OPSERVED
-
¸
-
TAGE THREE JUPVL 1620 (
7. A. CLEAR SLIGNT HAZE STANS TLAILY VISITLE -
. SAN FRANCISCO UINTS
SURFACE WEST NORTH 17 vTS
10*FT 35-/27v1s 16000 "FT 35-/27Y1S 16" -7: 4VTS 2"EOCrT 33" /35vTS /35vTS J J
C. CLEAR 3000FT 34*/43YTS 5000CFT 36°/45VTS C. CLEAR 500-FT 34*/43YTS 5000EFT 36"/45VTS
D. 1STILES. D. 1SPILES.
E. NONE { -
F. NONE F. i NOME
1. UNNOWN
9. NONE 41
I. UNKHOWN
11. A. FLIGHT SEPVICE CLEARENCE OFFICES
B.SIGHTING WOULE APPCAR TO PE A STARMOR TLANET EXCITT
FOS THE OPSTRVENS CEPTAINTY THAT IT WOVEP PAPIDLY.
{
13/7557 MAY JUPVL
T7 20 CONN OT
NI

UFOB INDEX CARD
1. DATE - 2. LOCATION 12. CONCLUSIONS
12 0 Was Balloon
May 1955 San Fransoisco, California 0 Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION 0 Possibly Balloon
Local Ground-Visual Ground-Radar 0 Was Aircraft
Probably Aircraft
GMT_ 18/ 06052 AirVisual Air-Intercept Radar 0 Possibly Aircraft
5. PHOTOS 6. SOURCE 0 Was Astronomical JUPITER
Yes Probably Astronomical
No Civilian Possibly Astronomical
. LENGTH OF OBSERVATION OF OBSERVATION 8. 8. NUMBER OF OBJECTS | 9. COURSE NUMBER OF OBJECTS 9. COURSE Other Other
stationary; just 000 000 Insufficient Data for Evaluation
approx five (5)mimutes approx fivs (5)mimutes one (1) one (1) Unknown
south of due W south of due W
10. BRIEF SUMMARY OF SIGHTING 0. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Cne (1), round, bright reddish bronze objeot Possibly astronomical: Planet Jupiter
appr oximately the size of thehead of a pin
held at arm's langth was observed to hang in held at arm's longth was observed to hang in Due to the likelyhood-of-this-sighting Due to the likelyhood-of-this -sighting
western sky for a few mimutes, and then, western sky for a faw mimutes, and then, being-astronomiacl,-since the descrip-
apparently to disappear at tremendous speed. apparently to disappear at tremendous speed. tion of the sighting and the direetion
Cbservation was aided by the use of optical to the object from the observer strongly to the object from the observer strongly
means suggests the planet Jupiter, and the im- suggests the planet Jupitar, and the _im-
probability-of_further-investigation-un-
covering-additional-information, no Pur-
action-was-authorized-by this-organizat-
tion(4602d-AISS-
AIS0P Form 5 (15 Oct 54) LO