PROJECT 10073 RECORD CARD 2. LOCATION 12. CONCLUSIONS 0 Was Boll oon 18 May 64 Mount Vernon, Viriginia o Probably Balloon I-3.-0A_T_E T_IM_E_G_R_O_U_P--------!-~-. _T_Y_P_E_O_F_O_B_S_E_R_V-AT_ I_O_N , 0 Paul bl y Balloon 0 Was Aircraft Local CkGroundVIaual D GroundRador Probably Aircraft GMT 18/23 15Z 0 Ai r-Visual 0 Air-Intercept Radar Pouibly Aircraft S. PHOTOS 6. SOURCE D Was A stronomical ** civilian 0 Probably Astronomical 0 Possi bl y Astronomical 1. LENGTH OP OBSERVATION t. NUMBER Ofl OBJECTS Other UlJIIli:>i'mil) . 0 Insufficient Data fo: Evaluation XI Unk nown 17_ minute s 10. BRIEf SUMMARY OP SIGHTING . 11. COMMENTS Small oval obJ with white glow brighter than th Possibility of research balloon with br ightest star visible observed in diameter frot~ pkg breaking. Data not sufficient t o he Moon at the moon's 3 o'clock position ObJ support this evaluation. Case regarde~ g r adually moved around moon to 12 o'clock posit: on fT!S UNIDENTIFIED. . A. . of moon 3 diameter's length. This motion took 1~ \.. u::.:,;~.:l ~};!ff:?) e I~ 1l~t.J mins. Then obj moved to W about 15 diameters of Moon 1h e -inln. Then ooj grew dim, split in two p articles with one being a grey cloud-li~e followed with BX. No longer visible to naked eye . ObJ split in two again and gradually i'aded. This sequence consumed one min. Tot a l, duration 17 min. Sighting at dusk toward a: etting sun ATIC PORM 32t (R& V 26 8EP 12) COMMWBOC 11-:~wlngt ' L11t. and St ondotd ~ E : . of Station obs., e.g., rovtlnsonde, rcwln, >lbol equip., e.g., ,. eCHtollte Tcrmlnatleft re ,;pect te gnund, olt. Ia other s t ondod leYela Identification U .S. DEPARTMENT O F COMMERCE WEATHER BUfHlAU WINDSALOFT COMPUTATION SHEET Typ of bolloon _l_ooO Elevotlon angle o Ob .. ,.,.cl Smoothed D I tonce from obarvotlon Codd Dato for Tronemlulon (LANDSTATION FORM) Orientation, Direction o )cheTu~ed aq~. Aacenalon toto. Rawlnaondt Con Pressure toct (mb.) ( Cord Ho . 1 Mi n . olt. wind a Alt. of moxlm11" nter c ec oppor on rot U.S. DEPARTMENT OF COMMERCE WEATHE" BUR&AU WINDSALOFT COMPUTATION SHEET (t..ANOSTATION FORM) Y eor Month Day WBAN20 Ascension No, Elevation angle o Observed Smoothed Distance from observation Code4 Doto fot Tranamlnlon 360 =South : Direction Speed Con Pressure Altitude Elapsed tact (mb.) (m., m.s.l.) time (min.) s It.' I (l Punched Cord Data Cord No . 1 Cord No. 2 eq~ilpmont Mo11l mum Wind Speed 0 a to Min, olt. w ind spefd 4 ) m.p.s. or more (m,) Alt. of mo11imum w ind P-d (m.) Oir. (d grtes) and s peed m s . o t Ma wind Mo. olt. w ind spefd 45 m.p.s. or more (m,) Enter check If additional appear on reerse ide. T t rml nat loft ~ re ~pect to 3 gr>vnd, olt .: fo othr ~ st 1ndor I levels .-: or., In lcm., mal *ldentlflcatlott U .S, DEPARTMENT OF COt.CMERCE WEATHIER BUREAU Wlt-4DS-Ai..OFT COMPUTATION SHEET (LANOSTATION FORM) Observed Smoothed Distance from observation Coded Ooto fot Year Month , ~ ., U .S . DEPARTMENT OF COMMERCE WEATHER BUREAU '. W ~ WINDSALOFT COMPUTATION SHEET :~-;~ [.3 L::.j I.G;.'.:l l~Ov"E SEA IoEVKW WBAN20 Elevation angle o Obsernd Smoothed Dlstonc:e from observation Orientation, ! Direction o Speed Aacenalon No ..:f"'""J"/ Rawlnaonde Tl ~ltltude Data Con p, Altl . -' Elud toct (mb.) (m., m.a.l.) time (min.) / ' t. }.. :; l/ u(, -(/) Codod Data for Tranamlnlon :JJ10 J/tO .J2tl-J31.J" :-rc.t Oj>z3 :sL /J?? if /? y'fcJ ll :l. I Cord N .. 1 equ'lpment 16 Type of oqulpment d : ~-----=M=o l~m=u~m~W+I~nd~fSip~-~d_O~o Alt. of mai wind d '"" Ma a t. wind sperd ) ~: 45 m._p. ot more rn. Enter .. If add. . ... .tie appear on rer de. ~oMMWBOC II cwlng: E 1. of Stotlo" raw In sonde, ro "'In, plbol WllRT!i7, tk.,Nellte Termlnatlew Alt. for . Of <It W lth respect to ground, alt. stundord lowola orot In km., mal. *ldontlflcatlo" 9 d?S:SS7F ncs u '? at Fed aau r? a s : U.S. DEPARTMENT OF COMMERCE WEATHER BUAilAU WINDS-ALOFT COMPUTATION SHEET (LANOSTATION FORM) 71 th mer. O:BSf.~V.\'.CICl~ ~;0:2'~ Co t::j~Ol.'.J AllOv"E SE6. L'EVEta Type of balloon /~" ~ Orientation, Elevation anglo o Ob .. rvod Smoothed Dlatonco froM obaorvotlon : Direction o Speed Ascension No, ~ Re~wlnaonde Coo Proasuro toct (mb,) ( Card No. 1 equipment t:1 Ml" alt. wind SJ 45 m~ or mOt Alt. of. .:-m pir, (d~ gr.n) ar [m.o,s. otMo MoJC, alt. w ind 1 1 4S m.p.s. Of fnelr Enter check If.~ u.s. DI!!:PARTMI!!:HT OF COW.WERCE Yo111 Month Ooy Tlrno Elevation anglo o Obsorvod Smoothed WEATHER BUREAU WlttDS-ALOFT COMPUTATION SHEET Distance from observation (LANDSTATION FORM) Orlontotlon, 36() = South Coded Doto fot Tronamluion Aacenalon Ho. Sj.-2-