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      <Form990PartVIISectionAGrp>
        <PersonNm>Mr Jason Chin</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>Mr Kevin Tsubota</PersonNm>
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        <ContractorAddress>
          <USAddress>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
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            <Country>FR</Country>
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      <ContractorCompensationGrp>
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      <InfoInScheduleOPartVIIIInd>X</InfoInScheduleOPartVIIIInd>
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      <MembershipDuesAmt>0</MembershipDuesAmt>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <ProgramServiceRevenueGrp>
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      <OtherRevenueMiscGrp>
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      <OtherExpensesGrp>
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        <PurposeOfGrantTxt>Sub-award under the federally funded AURA TSIP sub-award N09426C-A for the development of the astronomical instrument the Keck Cosmic Web Imager.</PurposeOfGrantTxt>
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        <ExplanationTxt>W M Keck Observatory monitors grantees' performance based on achievement of grant purposes according to federal, state and private foundation conditions and compliance in addition to WMKO internal procedures including A-133 sub-recipient monitoring.</ExplanationTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mr Sean Adkins</PersonNm>
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        <PersonNm>Mr Kevin McCann</PersonNm>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Ms Margarita Scheffel</PersonNm>
        <TitleTxt>Observatory CFO</TitleTxt>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mr Kyle Kinoshita</PersonNm>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mr Jason Chin</PersonNm>
        <TitleTxt>Senior Optics Engineer</TitleTxt>
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        <PersonNm>Mr Dennis McBride</PersonNm>
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        <PersonNm>Mr Kevin Tsubota</PersonNm>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATON FOR THE DIRECTOR AND DEPUTY DIRECTOR: Annually the CARA Board Executive Committee reviews and approves the two directors' compensation using market compensation studies which may include other Form 990 returns.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>NON-FIXED PAYMENTS PROVIDED - 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>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule J, Part II</FormAndLineReferenceDesc>
        <ExplanationTxt>Section B(iii)- OTHER REPORTABLE COMPENSATION: Includes employer paid dependent tuition.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part I, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>NET ASSET CHANGE-Total revenue less expenses for CARA represents primarily the net change in its capitalized fixed assets plus any capitalized write-offs rather than net income.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 2</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS: George Blumenthal, Elaine Stammen, Nathan Brostrom and Aimee Dorr had a business relationship through the University of California. Edward Stolper (a Caltech Officer), Shrinivas Kulkarni and Thomas Soifer had a business relationship through California Institute of Technology. California Institute of Technology and University of California provide various instrument and adaptive optics development services to CARA. During tax year 2013, total expenditures for these services charged to CARA were $2,273,089 by Caltech, and $384,084 by UC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBER DESIGNATION: Per the 1992 Amended and Restated agreement between the University of California and California Institute of Technology, the Presidents at both institutions each designate three board members to serve on the CARA board.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>DISTRIBUTION OF THE 990 TO THE BOARD: Management prepares the Form 990. A draft Form 990 is provided to the Audit Committee for review and comment. After any required changes are made and prior to filing, management distributes a final 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>CONFLICT OF INTEREST DISCLOSURE: 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 Committee and the Audit 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.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 13</FormAndLineReferenceDesc>
        <ExplanationTxt>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 2013.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 14</FormAndLineReferenceDesc>
        <ExplanationTxt>RECORDS RETENTION: Financial records follow both the IRS retention guidelines and the requirements of the federal government for federal awards issued under OMB Circular A-110.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, Line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>PROCESS FOR DETERMINING COMPENSATON FOR THE DIRECTOR AND DEPUTY DIRECTOR: Annually the CARA Board Executive Committee reviews and approves the two directors' compensation using market compensation studies.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>AVAILABLE TO THE PUBLIC: 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>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VII, Section A, Line 1d</FormAndLineReferenceDesc>
        <ExplanationTxt>REPORTABLE COMPENSATION FROM THE ORGANIZATION: Includes employer paid dependent tuition.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VIII, Line 1g</FormAndLineReferenceDesc>
        <ExplanationTxt>NON-CASH CONTRIBUTIONS: Donated securities of $12,618 and in-kind gifts of $0.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VIII, Line 2f</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL OTHER PROGRAM SERVICE REVENUE - Includes miscellaneous revenues: observatory summit tour fees to offset labor and transportation costs for VIP's; and image fees. All activities undertaken to advance scientific astronomical discovery.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VIII, Line 7a</FormAndLineReferenceDesc>
        <ExplanationTxt>SALES OF ASSETS: Sales of donated securities and retired fleet vehicles.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part IX, Line 24a - 24d</FormAndLineReferenceDesc>
        <ExplanationTxt>CAPITALIZED GRANT EXPENSES: A significant portion of CARA's sub-awards granted to other organizations is for capitalized projects or equipment not deemed expenses. The $2,621,965 reduction to the functional expense program total is to offset the capital project amounts listed in line 1 for purposes of properly completing Part IV, line 21, grants and other assistance to governments and organizations.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part X, Line 9</FormAndLineReferenceDesc>
        <ExplanationTxt>PREPAID EXPENSES AND DEFERRED CHARGES - End of year balances now include the publicly traded securities CARA maintains with TIAA-CREF that are held to fund the 457(b) deferred compensation obligation. Last year these amounts were shown under Investments.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part X, Line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENTS Beginning of year balances include the publicly traded securities CARA maintains with TIAA-CREF that are held to fund the 457(b) deferred compensation obligation. End of year balances no longer include these amounts. They are now shown under Prepaid Expenses and Deferred Charges.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part X, Line 12</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENTS OTHER SECURITES - End of year balances include new investments held in University of California's General Endowment Pool which is a unitized fund whereby CARA participates in investment returns and income on an equivalent pro-rated basis with all participants in the pool.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part X, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DEFERRED REVENUE: Consists of advances from the Regents of the University of California and the Association of Universities for Research in Astronomy for operations and instrument fabrication respectively; and, grant advances from the Gordon and Betty Moore Foundation and the W M Keck Foundation for K2 Laser development.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>NET ASSET CHANGE-Total revenue less expenses for CARA represents primarily the net change in its capitalized fixed assets during the tax year adjusted by any capital asset write-offs rather than net income.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 5</FormAndLineReferenceDesc>
        <ExplanationTxt>NET UNREALIZED GAINS (LOSSES) ON INVESTMENTS-Includes both the unrealized gains from the 457(b) publicly traded investments held by TIAA-CREF and the unrealized gains from the investments held by the University of California General Endowment Pool as of 9-30-14.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 6</FormAndLineReferenceDesc>
        <ExplanationTxt>DONATED SERVICES AND USE OF FACILITIES-CARA received in-kind professional services for its K2 laser development.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <ReasonableCauseExplanation documentId="R000009" softwareId="13000241" softwareVersion="v1.00">
      <ExplanationTxt>IRS extensions granted on 2-15-15 and 5-15-15 through 8-15-15.</ExplanationTxt>
    </ReasonableCauseExplanation>
  </ReturnData>
</Return>