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        <ServicesDesc>SUMMIT SUPPORT SERVICES AND LODGING</ServicesDesc>
        <CompensationAmt>820459</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ALPAO SAS</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <ForeignAddress>
            <AddressLine1Txt>727 RUE ARISTIDE BERGES</AddressLine1Txt>
            <CityNm>MONTBONNOT</CityNm>
            <CountryCd>FR</CountryCd>
            <ForeignPostalCd>38330</ForeignPostalCd>
          </ForeignAddress>
        </ContractorAddress>
        <ServicesDesc>DESIGN AND FABRICATION HI ORDER DEFORMAB</ServicesDesc>
        <CompensationAmt>488618</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>PA'AKAI COMMUNICATIONS LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>21 CRAIGSIDE PLACE UNIT 1B</AddressLine1Txt>
            <CityNm>HONOLULU</CityNm>
            <StateAbbreviationCd>HI</StateAbbreviationCd>
            <ZIPCd>96817</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>EXTERNAL AND GOVERNMENT RELATIONS CONSUL</ServicesDesc>
        <CompensationAmt>218683</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SAKODA CONSTRUCTION LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>272 LUAKAHA STREET</AddressLine1Txt>
            <CityNm>HILO</CityNm>
            <StateAbbreviationCd>HI</StateAbbreviationCd>
            <ZIPCd>96720</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>INSTALL STAIRS AND RAILING AT SUMMIT</ServicesDesc>
        <CompensationAmt>184500</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MENLO SYSTEMS INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>56 SPARTA AVENUE</AddressLine1Txt>
            <CityNm>NEWTON</CityNm>
            <StateAbbreviationCd>NJ</StateAbbreviationCd>
            <ZIPCd>07860</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>DESIGN AND FABRICATION BROADBAND SPECTRA</ServicesDesc>
        <CompensationAmt>148387</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>7</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>941330</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>937387</AllOtherContributionsAmt>
      <NoncashContributionsAmt>152812</NoncashContributionsAmt>
      <TotalContributionsAmt>1878717</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>OBSERVATORY OPERATIONS</Desc>
        <BusinessCd>541712</BusinessCd>
        <TotalRevenueColumnAmt>20191529</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>20191529</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>NASA COOPERATIVE AGREEMENT</Desc>
        <BusinessCd>541712</BusinessCd>
        <TotalRevenueColumnAmt>4775000</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>4775000</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>VISITING SCIENCE QUARTERS</Desc>
        <BusinessCd>541712</BusinessCd>
        <TotalRevenueColumnAmt>88431</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>88431</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>4921</TotalRevenueColumnAmt>
        <ExclusionAmt>4921</ExclusionAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SUMMIT TOURS OFFSET</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1240</TotalRevenueColumnAmt>
        <ExclusionAmt>1240</ExclusionAmt>
      </ProgramServiceRevenueGrp>
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      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>495700</TotalRevenueColumnAmt>
        <ExclusionAmt>495700</ExclusionAmt>
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      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>142</TotalRevenueColumnAmt>
        <ExclusionAmt>142</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>3087639</SecuritiesAmt>
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      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>152812</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>2934827</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>2934827</TotalRevenueColumnAmt>
        <ExclusionAmt>2934827</ExclusionAmt>
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      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>30370507</TotalRevenueColumnAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>3436830</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>3375548</TotalAmt>
        <ProgramServicesAmt>3375548</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>2368993</TotalAmt>
        <ProgramServicesAmt>1233701</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1093445</ManagementAndGeneralAmt>
        <FundraisingAmt>41847</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>13794335</TotalAmt>
        <ProgramServicesAmt>10138065</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3321245</ManagementAndGeneralAmt>
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      <PensionPlanContributionsGrp>
        <TotalAmt>1061866</TotalAmt>
        <ProgramServicesAmt>780412</ProgramServicesAmt>
        <ManagementAndGeneralAmt>255664</ManagementAndGeneralAmt>
        <FundraisingAmt>25790</FundraisingAmt>
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      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2383359</TotalAmt>
        <ProgramServicesAmt>1733688</ProgramServicesAmt>
        <ManagementAndGeneralAmt>586726</ManagementAndGeneralAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>1074152</TotalAmt>
        <ProgramServicesAmt>789442</ProgramServicesAmt>
        <ManagementAndGeneralAmt>258622</ManagementAndGeneralAmt>
        <FundraisingAmt>26088</FundraisingAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>47758</TotalAmt>
        <ManagementAndGeneralAmt>47758</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>68377</TotalAmt>
        <ManagementAndGeneralAmt>68377</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>6619</TotalAmt>
        <ManagementAndGeneralAmt>6619</ManagementAndGeneralAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>698532</TotalAmt>
        <ProgramServicesAmt>310825</ProgramServicesAmt>
        <ManagementAndGeneralAmt>379292</ManagementAndGeneralAmt>
        <FundraisingAmt>8415</FundraisingAmt>
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      <AdvertisingGrp>
        <TotalAmt>11662</TotalAmt>
        <ProgramServicesAmt>6606</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3638</ManagementAndGeneralAmt>
        <FundraisingAmt>1418</FundraisingAmt>
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      <OfficeExpensesGrp>
        <TotalAmt>173490</TotalAmt>
        <ProgramServicesAmt>54638</ProgramServicesAmt>
        <ManagementAndGeneralAmt>108203</ManagementAndGeneralAmt>
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      <InformationTechnologyGrp>
        <TotalAmt>415750</TotalAmt>
        <ProgramServicesAmt>314217</ProgramServicesAmt>
        <ManagementAndGeneralAmt>82299</ManagementAndGeneralAmt>
        <FundraisingAmt>19234</FundraisingAmt>
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      <OccupancyGrp>
        <TotalAmt>1887462</TotalAmt>
        <ProgramServicesAmt>1848208</ProgramServicesAmt>
        <ManagementAndGeneralAmt>35757</ManagementAndGeneralAmt>
        <FundraisingAmt>3497</FundraisingAmt>
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      <TravelGrp>
        <TotalAmt>668285</TotalAmt>
        <ProgramServicesAmt>489246</ProgramServicesAmt>
        <ManagementAndGeneralAmt>101243</ManagementAndGeneralAmt>
        <FundraisingAmt>77796</FundraisingAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>254166</TotalAmt>
        <ProgramServicesAmt>52473</ProgramServicesAmt>
        <ManagementAndGeneralAmt>186115</ManagementAndGeneralAmt>
        <FundraisingAmt>15578</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>50137</TotalAmt>
        <ProgramServicesAmt>50137</ProgramServicesAmt>
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      <DepreciationDepletionGrp>
        <TotalAmt>4341301</TotalAmt>
        <ProgramServicesAmt>4307407</ProgramServicesAmt>
        <ManagementAndGeneralAmt>29107</ManagementAndGeneralAmt>
        <FundraisingAmt>4787</FundraisingAmt>
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      <InsuranceGrp>
        <TotalAmt>94324</TotalAmt>
        <ProgramServicesAmt>58169</ProgramServicesAmt>
        <ManagementAndGeneralAmt>35525</ManagementAndGeneralAmt>
        <FundraisingAmt>630</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EQUIP RENTAL AND MAINTE</Desc>
        <TotalAmt>1123036</TotalAmt>
        <ProgramServicesAmt>1106763</ProgramServicesAmt>
        <ManagementAndGeneralAmt>15020</ManagementAndGeneralAmt>
        <FundraisingAmt>1253</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>EQUIPMENT AND TOOLS</Desc>
        <TotalAmt>477336</TotalAmt>
        <ProgramServicesAmt>475362</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1793</ManagementAndGeneralAmt>
        <FundraisingAmt>181</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>INDIRECT COST RECOVERY</Desc>
        <TotalAmt>-73789</TotalAmt>
        <ProgramServicesAmt>1949874</ProgramServicesAmt>
        <ManagementAndGeneralAmt>-2023663</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>CAPITAL SUBCONTRACTS</Desc>
        <TotalAmt>-1357430</TotalAmt>
        <ProgramServicesAmt>-1357430</ProgramServicesAmt>
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      <TotalFunctionalExpensesGrp>
        <TotalAmt>32945269</TotalAmt>
        <ProgramServicesAmt>27717351</ProgramServicesAmt>
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        <BOYAmt>1052</BOYAmt>
        <EOYAmt>4089</EOYAmt>
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        <BOYAmt>2591378</BOYAmt>
        <EOYAmt>950221</EOYAmt>
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      <PledgesAndGrantsReceivableGrp>
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        <EOYAmt>449542</EOYAmt>
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      <AccountsReceivableGrp>
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      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>1230093</BOYAmt>
        <EOYAmt>1361488</EOYAmt>
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      <LandBldgEquipCostOrOtherBssAmt>151852994</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>116811396</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>36343581</BOYAmt>
        <EOYAmt>35041598</EOYAmt>
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      <UnsecuredNotesLoansPayableGrp>
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        <EOYAmt>2500000</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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      <DonorRestrictionNetAssetsGrp>
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        <EOYAmt>1955647</EOYAmt>
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        <EOYAmt>54816762</EOYAmt>
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        <EOYAmt>62041473</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>-2574762</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>1075003</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>1</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>1</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>9718764</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4205483</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5704964</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4893022</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1878717</CurrentTaxYearAmt>
        <TotalAmt>26400950</TotalAmt>
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      <TotalCalendarYear170Grp>
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        <CurrentTaxYearMinus3YearsAmt>4205483</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5704964</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4893022</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1878717</CurrentTaxYearAmt>
        <TotalAmt>26400950</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>5370258</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>21030692</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>345314</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>290563</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>224723</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>538930</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>495842</CurrentTaxYearAmt>
        <TotalAmt>1895372</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>7869</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>226812</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>6066</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5804</CurrentTaxYearMinus1YearAmt>
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      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>STATE ENERGY REBATE VARIOUS OTHER REVENUES</ExplanationTxt>
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        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039700001">
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      <PaidStaffOrManagementInd>1</PaidStaffOrManagementInd>
      <MediaAdvertisementsInd>0</MediaAdvertisementsInd>
      <MailingsMembersInd>0</MailingsMembersInd>
      <PublicationsOrBroadcastInd>0</PublicationsOrBroadcastInd>
      <GrantsOtherOrganizationsInd>0</GrantsOtherOrganizationsInd>
      <DirectContactLegislatorsInd>1</DirectContactLegislatorsInd>
      <DirectContactLegislatorsAmt>6619</DirectContactLegislatorsAmt>
      <RalliesDemonstrationsInd>0</RalliesDemonstrationsInd>
      <OtherActivitiesInd>0</OtherActivitiesInd>
      <TotalLobbyingExpendituresAmt>6619</TotalLobbyingExpendituresAmt>
      <NotDescribedSection501c3Ind>0</NotDescribedSection501c3Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II-B, LINE 1:</FormAndLineReferenceDesc>
        <ExplanationTxt>PART II-B: THE OBSERVATORY RETAINS A CONSULTING FIRM TO MONITOR LEGISLATIVE DEVELOPMENTS AND TO ADVISE IT ON GOVERNMENT RELATIONS MATTERS. THE CONSULTANT MAY ESTABLISH DIRECT CONTACT WITH LEGISLATORS, THEIR STAFFS, GOVERNMENT OFFICIALS, AND LEGISLATIVE BODIES AND ENGAGE IN COMMUNICATION WHICH MAY BE CONSIDERED COMMUICATION WHICH ATTEMPTS TO INFLUENCE LEGISLATION. FURTHER, OBSERVATORY STAFF, IN THE COURSE OF NECESSARY COMMUNICATIONS WITH GOVERNMENT OFFICIALS AND INFORMATIONAL PUBLIC EDUCATION ACTIVITIES, MAY FROM TIME TO TIME ENGAGE IN COMMUNICATION WHICH MAY BE CONSIDERED TO INFLUENCE LEGISLATION. THE OBSERVATORY IS A MEMBER OF CERTAIN PROFESSIONAL ORGANIZATIONS THAT HAVE REGISTERED TO LOBBY ON BEHALF OF MEMBERSHIP. ALTHOUGH A SMALL PORTION OF THE OBSERVATORY'S MEMBERSHIP DUES MAY BE USED FOR LOBBYING, THE AMOUNT IS IMMATERIAL. CARA'S MEMBERSHIP IN THESE ORGANIZATIONS IS FOR THE PURPOSE OF HAVING ACCESS TO THE MOST CURRENT INFORMATION ON GOVERNMENT AND BUSINESS DEVELOPMENTS AS THEY RELATE TO OBSERVATORIES AND NOT FOR A LOBBYING EFFORT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <DepreciationAmt>116811396</DepreciationAmt>
        <BookValueAmt>35041598</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>35041598</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>UNIVERSITY OF CALIFORNIA GENERAL ENDOWMENT POOL</Desc>
        <BookValueAmt>18134242</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>UNIVERSITY OF CALIFORNIA TOTAL RETURN INVESTMENT POOL</Desc>
        <BookValueAmt>6002990</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>24137232</TotalBookValueSecuritiesAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>31445510</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>1075003</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>1075003</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>30370507</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>30370507</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>32945269</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>32945269</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>32945269</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>CARA HAS RECEIVED A DETERMINATION FROM TAXING AUTHORITIES THAT IT IS AN ORGANIZATION EXEMPT FROM TAXATION UNDER SECTION 501(C)(3) OF THE U.S. INTERNAL REVENUE CODE AND SECTION 23701D OF THE CALIFORNIA REVENUE AND TAXATION CODE AND IS GENERALLY NOT SUBJECT TO FEDERAL OR STATE INCOME TAXES. HOWEVER, CARA IS SUBJECT TO INCOME TAXES ON ANY NET INCOME DERIVED FROM A TRADE OR BUSINESS, REGULARLY CARRIED ON, AND NOT IN FURTHERANCE OF THE PURPOSES FOR WHICH IT WAS GRANTED EXEMPTION. NO INCOME TAX PROVISION HAS BEEN RECORDED AS THE NET INCOME, IF ANY FROM ANY UNRELATED TRADE OR BUSINESS, IN THE OPINION OF MANAGEMENT, IS NOT MATERIAL TO THE FINANCIAL STATEMENTS TAKEN AS A WHOLE. CARA APPLIES THE PROVISIONS OF ASC TOPIC 740, INCOME TAXES, WHICH PRESCRIBES A RECOGNITION THRESHOLD AND MEASUREMENT ATTRIBUTE FOR THE FINANCIAL STATEMENT RECOGNITION AND MEASUREMENT OF A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN, AND PROVIDES GUIDANCE ON DERECOGNITION, CLASSIFICATION, INTEREST, AND PENALTIES, DISCLOSURE, AND TRANSITION. MANAGEMENT BELIEVES THAT NO SUCH UNCERTAIN TAX POSITION EXISTS FOR CARA REQUIRING ACCRUAL OR DISCLOSURE AT SEPTEMBER 30, 2024 AND 2023. CARA IS NO LONGER SUBJECT TO U.S. FEDERAL INCOME TAX EXAMINATIONS BY TAX AUTHORITIES FOR YEARS BEFORE 2021.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LAND IN WAIMEA IS OWNED BY CALIFORNIA INSTITUTE OF TECHNOLOGY AND IS NOT LISTED AS A CARA FIXED ASSET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE HEADQUARTERS BUILDING IN WAIMEA AND THE OBSERVATORIES ON MAUNAKEA ARE OWNED BY CALIFORNIA INSTITUTE OF TECHNOLOGY AND ARE NOT LISTED AS CARA FIXED ASSETS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1D</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TELESCOPES ON MAUNAKEA ARE OWNED BY CALIFORNIA INSTITUTE OF TECHNOLOGY AND ARE NOT LISTED AS CARA FIXED ASSETS. CARA OWNS MOST FOCAL-PLANE INSTRUMENTS, LASERS, AND ADAPTIVE OPTICS, PLUS VARIOUS OTHER EQUIPMENT NOT AFFIXED TO THE FACILITIES, COMPUTERS, AND VEHICLES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VII, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CALIFORNIA TOTAL RETURN INVESTMENT POOL AND GENERAL ENDOWMENT POOL ARE UNITIZED FUNDS WHEREBY CARA PARTICIPATES IN INVESTMENT RETURNS AND INCOME ON AN EQUIVALENT PRO-RATA BASIS WITH ALL PARTICIPANTS IN THE POOL.</ExplanationTxt>
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        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
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        <OfficesCnt>0</OfficesCnt>
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        <SpecificServicesProvidedTxt>DESIGN WORK FOR THE KCRM VISIBLE BAND GUIDER, LASER GUIDE STAR ASTERIM GNERATOR, AND SCALES CRYOSTAT</SpecificServicesProvidedTxt>
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        <RegionTxt>EUROPE (INCLUDING ICELAND AND GREENLAND)</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>DESIGN LENSLET ARRAY FOR HAKA</SpecificServicesProvidedTxt>
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        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
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      <AccountActivitiesOutsideUSGrp>
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        <EmployeeCnt>0</EmployeeCnt>
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      <TotalEmployeeCnt>11</TotalEmployeeCnt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
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          <CityNm>SANTA CRUZ</CityNm>
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      <RecipientTable>
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          <CityNm>BERKELEY</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
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        <PurposeOfGrantTxt>SUB-AWARD UNDER THE HEISING-SIMONS FOUNDATION FUNDED PRIME AWARD DEVELOPMENT AND FABRICATION OF A LASER FREQUENCY COMB; SUB-AWARD UNDER THE FEDERALLY FUNDED AST-1836016 FOR THE DEVELOPMENT OF ASTROPHYSICS ENABLED BY KECK ALL SKY PRECISION ADAPTIVE OPTICS.</PurposeOfGrantTxt>
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        <TitleTxt>CHIEF SCIENTIST</TitleTxt>
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        <PersonNm>DR PETER WIZINOWICH</PersonNm>
        <TitleTxt>CHIEF OF TECHNICAL DEVELOPMENT</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MR JEFFREY HUBER</PersonNm>
        <TitleTxt>CHIEF OPERATIONS OFFICER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MR ED HARRIS</PersonNm>
        <TitleTxt>CHIEF DEVELOPMENT OFFICER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING CALENDAR YEAR 2023, CARA PAID MR. HILTON LEWIS, FORMER DIRECTOR, HOUSING ALLOWANCE TOTALLING $5,000. THE HOUSING ALLOWANCE WAS INCLUDED IN PAYROLL AS TAXABLE WAGES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY THE CARA BOARD EXECUTIVE COMMITTEE REVIEWS AND APPROVES THE COMPENSATION OF THE DIRECTOR USING MARKET COMPENSATION STUDIES WHICH MAY INCLUDE OTHER FORM 990 RETURNS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4A</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING THE FISCAL YEAR, CARA PAID SEVERANCE PAY OF $209,000 TO MR. HILTON LEWIS, FORMER DIRECTOR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>CARA HAS AN OBSERVATORY-WIDE BONUS PROGRAM FOR WHICH ALL CARA EMPLOYEES ARE ELIGIBLE TO BE NOMINATED BY OTHER CARA EMPLOYEES FOR ACHIEVEMENTS BASED ON NON-REVENUE CRITERIA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II (B)(I)(11)</FormAndLineReferenceDesc>
        <ExplanationTxt>CAROL SCHULL IS A FULL-TIME EMPLOYEE OF CALIFORNIA INSTITUTE OF TECHNOLOGY (CALTECH). CARA PAID CALTECH $29,767 IN CALENDAR YEAR 2023 FOR CAROL'S SERVICES RENDERED AS SECRETARY FOR CARA.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>2</ContributionCnt>
        <NoncashContributionsRptF990Amt>152812</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>MARKET VALUE</MethodOfDeterminingRevenuesTxt>
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      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>0</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART I, LINE 1, DESCRIPTION OF ORGANIZATION MISSION:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ADVANCE THE FRONTIERS OF ASTRONOMY AND SHARE OUR DISCOVERIES WITH THE WORLD. CARA WAS FORMED BY THE REGENTS OF THE UNIVERSITY OF CALIFORNIA AND CALIFORNIA INSTITUTE OF TECHNOLOGY TO OPERATE TWO 10-METER OPTICAL/INFRARED TELESCOPES ON MAUNAKEA ON THE ISLAND OF HAWAI'I.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 1, DESCRIPTION OF ORGANIZATION MISSION:</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ADVANCE THE FRONTIERS OF ASTRONOMY AND SHARE OUR DISCOVERIES WITH THE WORLD. THE TWO 10-METER TELESCOPES OF KECK OBSERVATORY ARE THE WORLD'S LARGEST OPTICAL AND INFRARED TELESCOPES. THEY HAVE REVOLUTIONIZED OUR UNDERSTANDING OF THE COSMOS, IMPACTING EVERY AREA OF ASTRONOMY AND ASTROPHYSICS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4A, DESCRIPTION OF PROGRAM SERVICE:</FormAndLineReferenceDesc>
        <ExplanationTxt>HIGHER EDUCATION: THE TWIN TELESCOPES ARE DEDICATED TO ASTRONOMICAL RESEARCH 365 DAYS/NIGHTS PER YEAR AND FEATURE A SUITE OF ADVANCED INSTRUMENTATION. TIME ON THE KECK TELESCOPES IS ONE OF THE MOST SOUGHT-AFTER RESOURCES IN ASTRONOMICAL AND PLANETARY SCIENCE RESEARCH. OBSERVING TIME ON THE KECK TELESCOPES IS DIVIDED EACH YEAR AMONG ITS FOUNDING PARTNER INSTITUTIONS: CALIFORNIA INSTITUTE OF TECHNOLOGY AND THE UNIVERSITY OF CALIFORNIA, AS WELL AS NASA, THE UNIVERSITY OF HAWAII AND OTHER SCIENTIFIC PARTNERSHIPS. THE BROADER OBSERVING COMMUNITY HAS ACCESS TO THE TELESCOPES THROUGH PARTNERSHIPS WITH THE NATIONAL SCIENCE FOUNDATION AND NASA. CARA'S ACTIVITIES INCLUDE ENTERING INTO GRANTS TO CARRY OUT ASTRONOMICAL RESEARCH AND INSTRUMENT DEVELOPMENT. KECK OBSERVATORY HAS PUSHED THE FRONTIERS OF DISCOVERY, EXAMINING OUR SOLAR SYSTEM, SEARCHING FOR NEW INHABITABLE WORLDS AROUND OTHER STARS, AND PROBING THE MYSTERIES OF THE MILKY WAY, DISTANT GALAXIES AND THE VERY ORIGIN OF THE UNIVERSE AND REVEALING OTHER COSMIC PHENOMENA SO THAT WE MAY FURTHER UNDERSTAND THE NATURE OF THE UNIVERSE AND OUR PLACE IN ITS VAST EXPANSE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 2</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS GEORGE BLUMENTHAL, NATHAN BOSTROM, BRUCE MACINTOSH AND KATHERINE NEWMAN HAD A BUSINESS RELATIONSHIP THROUGH THE UNIVERSITY OF CALIFORNIA. B. THOMAS SOIFER, FIONA HARRISON AND CHRIS MARTIN HAD A BUSINESS RELATIONSHIP THROUGH CALIFORNIA INSTITITUTE OF TECHNOLOGY. CALIFORNIA INSTITUTE OF TECHNOLOGY AND THE UNIVERSITY OF CALIFORNIA PROVIDE VARIOUS INSTURMENT AND ADAPTIVE OPTICS DEVELOPMENT SERVICES TO CARA. DURING TAX YEAR 2023, TOTAL EXPENDITURES FOR THESE SERVICES CHARGED TO CARA WERE $677,598 BY CALTECH, AND $2,143,236 BY THE UNIVERSITY OF CALIFORNIA.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A DRAFT FORM 990 IS PROVIDED TO THE AUDIT AND COMPLIANCE COMMITTEE FOR REVIEW AND COMMENT. AFTER ANY REQUIRED CHANGES ARE MADE AND PRIOR TO FILING, MANAGEMENT DISTRIBUTES A COPY TO THE BOARD INDICATING WHO PREPARED AND REVIEWED THE FORM 990, AND WHO WILL SIGN AND FILE THE FORM BY THE DUE DATE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY EACH BOARD MEMBER IS REQUIRED TO DISCLOSE AND SIGN A BOARD GOVERNANCE DOCUMENT INDICATING ANY BUSINESS, PERSONAL OR FAMILY RELATIONSHIPS WITH OTHER BOARD MEMBERS, STAFF OR MAJOR VENDORS INVOLVING THEMSELVES AND/OR THEIR FAMILY MEMBERS. THE SIGNED DISCLOSURES ARE THEN REVIEWED BY THE AUDIT AND COMPLIANCE COMMITTEE AND THE AUDIT AND COMPLIANCE COMMITTEE CHAIR NOTIFIES THE BOARD OF ANY CONFLICTS SUFFICIENT TO WARRANT THE ATTENTION OF THE BOARD. KEY EMPLOYEES AND THE FIVE HIGHEST COMPENSATED EMPLOYEES ARE REQUIRED TO DISCLOSE AND SIGN AN ANNUAL INFORMATION REQUEST INDICATING ANY FAMILY OR BUSINESS RELATIONSHIPS THAT MAY IMPACT ORGANIZATIONAL MANAGEMENT AND GOVERNANCE. FORM 990, PART VI, SECTION B, LINE 13 WHISTLEBLOWER POLICY: HAWAII STATE LABOR LAWS REQUIRE POSTING OF THE STATE'S WHISTLEBLOWER PROTECTION LAW NOTICE WHICH OUTLINES A STANDARD WHISTLEBLOWER PROCESS. CARA COMPLIED WITH THE WORKPLACE LABOR POSTING LAWS DURING TAX YEAR 2023. FORM 990, PART VI, SECTION B, LINE 14 RECORDS RETENTION: FINANCIAL RECORDS FOLLOW BOTH THE IRS RETENTION GUIDELINES AND THE REQUIREMENTS OF THE FEDERAL GOVERNMENT FOR FEDERAL AWARDS ISSUED UNDER OMB UNIFORM GUIDANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATION FOR THE DIRECTOR: ANNUALLY THE CARA BOARD EXECUTIVE COMMITTEE REVIEWS AND APPROVES THE DIRECTOR'S COMPENSATION USING MARKET COMPENSATION STUDIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNANCE DOCUMENTS AND CONFLICT OF INTEREST POLICIES ARE MADE AVAILABLE UPON REQUEST. FINANCIAL STATEMENTS IN THE FORM OF AN ANNUAL AUDIT ARE PUBLISHED ON THE CARA WEBSITE AT WWW.KECKOBSERVATORY.ORG</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII CONTACT ADDRESSES FOR OFFICERS, DIRECTORS, ETC</FormAndLineReferenceDesc>
        <ExplanationTxt>MR. HILTON LEWIS - PO BOX 1361, KAMUELA, HI 96743.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT CHANGED EITHER ITS OVERSIGHT PROCESS OR SELECTION PROCESS DURING THE YEAR.</ExplanationTxt>
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</Return>