Liabilities / Assets
7th percentile
Tied with the lowest-debt nonprofits in its peer group.
990 • Fiscal year 2018 • EIN 47-2052113
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
7th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
7th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
97th percentile
Higher net margin than 97% of similar nonprofits.
Top Officer Pay
65th percentile
Higher top officer pay than 65% of similar nonprofits.
Top officer pay equals 11.7% of source-year revenue.
Asset Growth
77th percentile
Faster asset growth than 77% of similar nonprofits.
Revenue Growth
13th percentile
Faster revenue growth than 13% of similar nonprofits.
Assets
Up$6,023,503
Up $683,861 (+13%) from 2017
Net Assets
Up$6,023,503
Up $683,861 (+13%) from 2017
Liabilities
Flat$0
Flat from 2017
Revenue
Down$1,355,015
Down $333,826 (-20%) from 2017
Expenses
Up$223,545
Up $100,126 (+81%) from 2017
Net Income
Down$1,131,470
Down $433,952 (-28%) from 2017
The foundation was established to help donors achieve their long-term endowment goals and manage short-term targeted donations to lowell observatory in order to support the observatory's mission in perpetuity.
To sustain and enhance lowell observatory's mission of research and education
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $2,675,322 | $2,967,945 | ▲ $292,623 |
| Savings and Temporary Cash Investments | $2,560,981 | $2,245,355 | ▼ $315,626 |
| Land, Buildings, and Equipment, Net | $0 | $748,546 | ▲ $748,546 |
| Cash and Non-Interest-Bearing Accounts | $42,339 | $59,957 | ▲ $17,618 |
| Pledges and Grants Receivable | $60,000 | $1,700 | ▼ $58,300 |
| Total Assets | $5,339,642 | $6,023,503 | ▲ $683,861 |
| Other Assets Total | $1,000 | $0 | ▼ $1,000 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Permanently Rstr Net Assets | $4,913,904 | $5,064,600 | ▲ $150,696 |
| Unrestricted Net Assets | $6,341 | $805,203 | ▲ $798,862 |
| Temporarily Rstr Net Assets | $419,397 | $153,700 | ▼ $265,697 |
| Total Net Assets Fund Balance | $5,339,642 | $6,023,503 | ▲ $683,861 |
| Total Liabilities and Net Assets / Fund Balance | $5,339,642 | $6,023,503 | ▲ $683,861 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Land | $748,546 | - | $748,546 |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2018 | $5,118,816 | $467,872 | ▼ $319,708 | - | $5,064,600 |
| 2017 | $3,288,078 | $1,476,056 | ▲ $466,533 | - | $5,118,816 |
| 2016 | $2,075,218 | $1,254,991 | ▲ $181,391 | $94,516 | $3,288,078 |
| 2015 | - | $2,282,857 | ▼ $207,639 | - | $2,075,218 |
| Name | Title | Other | Total |
|---|---|---|---|
| Anne Labruzzo | Deputy Director for Administration | $123,215 | $123,215 |
| W Lowell Putnam | Trustee | $8,635 | $8,635 |
| Name | Title |
|---|---|
| W David Connell | Board Chair |
| John a Radway Jr | Board Vice-chair |
| Anne T Actor | Executive Director |
| David D Chase | Trustee |
| Donna Weistrop | Trustee |
| Stephen W Brown | Trustee |
| Virginia G Giovale | Trustee |
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Real Estate Residential | 1 | $730,000 | Independent Appraisal |
| Total Noncash Contributions | 1 | $730,000 | - |
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $171,529 |
| Other Expenses | $52,016 |
| Total Fundraising Expense | $9,472 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $171,529 | - | - | $171,529 |
| Fees for Service Investment Mgmnt Fees | - | $36,275 | - | $36,275 |
| Information Technology | - | - | $5,000 | $5,000 |
| Fees for Services Accounting | - | $4,800 | - | $4,800 |
| Other Expenses | - | - | $4,000 | $4,000 |
| Insurance | - | $1,104 | - | $1,104 |
| Fees for Services Other | - | - | $472 | $472 |
| Fees for Services Legal | - | $305 | - | $305 |
| Office Expenses | - | $60 | - | $60 |
| Total Functional Expenses | $171,529 | $42,544 | $9,472 | $223,545 |
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Lowell Observatory | Flagstaff, AZ | 501(c)(3) | Endowment Earnings/general Support | $111,529 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The trust agreement was amended on june 9th, 2018 to increase the maximum number of members of the board of trustees from seven members to fifteen members.”
“Currently, the board of trustees consists of seven individuals. One of the individuals shall be the sole trustee of the lowell observatory who shall always be a trustee of the foundation. For the initial term of the remaining six individuals, two of these individuals will be selected for a three year term, two for a two year term, and two for a one year term. These remaining six members of the board of trustees will be selected by the sole trustee and the executive committee of the advisory board of the lowell observatory. At the end of the terms of the initial members of the board of trustees, new successor trustees will be selected for three year terms. The trust agreement was amended on june 9, 2018 to increase the maximum number of members of the board of trustees from seven members to fifteen members. Any new successor trustees will be selected by nomination of the executive committee of the advisory board of the lowell observatory and subject to the approval of a majority vote by the advisory board of the lowell observatory present at its annual meeting.”
“The form 990 draft will be first reviewed by the deputy director for administration (dda) for the observatory for accuracy. Once it has been deemed accurate by the dda it will be forwarded to the lowell observatory audit committee and the foundation board of trustees for their review and comments. After any questions and comments have been addressed it will be approved and a final copy will be signed by the board chairman.”
“Each of the foundation trustees certify in writing annually that they are in compliance with the provisions of the foundation's conflicts of interest policy. The foundation believes that this provides reasonable additional protection against prohibited transactions.”
“All of these documents will be posted on the foundation website and the form 990 will be available on charity navigator and guidestar.”
“A majority of the endowment funds are held in perpetuity for the benefit of lowell observatory.”
“The following disclosure is related to the combined financial statements of the lowell observatory, trust u/w of percival lowell, and the lowell observatory foundation: the observatory, the foundation, and the trust are exempt from income taxes under both internal revenue code (irc) section 501(c)(3) and arizona income tax laws. The observatory is classified as other than a private foundation under irc section 509(a)(1). The foundation and the trust are each classified as other than a private foundation under irc section 509(a)(3) as a supporting organization of the observatory. Income from certain activities not directly related to the organization's tax-exempt purpose, however, may be subject to taxation as unrelated business taxable income (ubti). From time to time, the organization may be subject to penalties and interest assessed by various taxing authorities, which are classified as general and administrative expenses if they occur.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO SUSTAIN AND ENHANCE LOWELL OBSERVATORY'S MISSION OF RESEARCH AND EDUCATION |
| IRS990/AllOtherContributionsAmt | 0 | 1063622 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | ANNE LABRUZZO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 9282333239 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1400 MARS HILL ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | FLAGSTAFF |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 860014470 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 42339 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 59957 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 1 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1234620 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 171529 |
| IRS990/CYInvestmentIncomeAmt | 0 | 120395 |
| IRS990/CYOtherExpensesAmt | 0 | 52016 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1131470 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 223545 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 9472 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 1355015 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | LOWELL OBSERVATORY FOUNDATION MANAGES THE ENDOWMENT FUNDS FOR LOWELL OBSERVATORY. IN 2018, THE FOUNDATION TRANSFERRED $112,000 OF INVESTMENT EARNINGS TO THE OBSERVATORY IN ORDER TO SUPPORT GENERAL OPERATIONS. IN 2018 THE FOUNDATION ESTABLISHED FOUR NEW ENDOWMENTS. THEY RECEIVED A $99,000 DONATION TO CREATE A NEW ENDOWMENT TO SUPPORT INTERNSHIPS, UNDERGRADUATE AND GRADUATE STUDENT RESEARCH PROJECTS, AND PRE AND POST DOCTORAL FELLOWSHIPS WHO ARE NON-TENURED OR NOT PERMANENTLY SALARIED. ALSO, THEY RECEIVED A $25,000 DONATION TO CREATE A NEW ENDOWMENT WHICH SUPPORTS THE PRESERVATION OF LOWELL OBSERVATORY'S RICH COLLECTION OF HISTORIC PAPERS, CORRESPONDENCE, RESEARCH MATERIALS, AND INSTRUMENTS THROUGH THE EFFORTS OF THE PUTNAM COLLECTION CENTER STAFF AND VOLUNTEERS. ALONG WITH THESE TWO NEW ENDOWMENTS, THE CURRENT EXPLORATION FUND ENDOWMENT RECEIVED AN ADDITIONAL $157,000 IN DONATIONS TO SUPPORT RESEARCH AND RESEARCHERS AT LOWELL OBSERVATORY, THE CURRENT INSTRUMENTATION FUND ENDOWMENT RECEIVED $92,000 IN DONATIONS TO SUPPORT THE ACQUISITION, DEVELOPMENT, MAINTENANCE OF AND ACCESS TO TECHNOLOGIES, INSTRUMENTS, AND TELESCOPES LOCATED WITHIN THE OBSERVATORY'S FACILITIES OR ELSEWHERE IN PERPETUITY AND THE CURRENT MARCUS COMETARY RESEARCH ENDOWMENT FUND RECEIVED $92,000 IN CONTRIBUTIONS THAT SUPPORT RESEARCH ON COMETS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 171529 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 4800 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 4800 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 305 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 305 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 472 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 472 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 36275 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 36275 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 32.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 38.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 38.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 8570 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 15841 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 15278 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | STEPHEN W BROWN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DAVID D CHASE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | VIRGINIA G GIOVALE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | W LOWELL PUTNAM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DONNA WEISTROP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | W DAVID CONNELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | JOHN A RADWAY JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | ANNE T ACTOR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | ANNE LABRUZZO |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 65 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 142931 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 107937 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD VICE-CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | EXECUTIVE DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DEPUTY DIRECTOR FOR ADMINISTRATION |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2014 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 19688 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantAmt | 0 | 171529 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 171529 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 171529 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 2381087 |
| IRS990/GrossReceiptsAmt | 0 | 3716414 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 6 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 5000 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 5000 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 1104 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 1104 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 100707 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 100707 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2675322 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 2967945 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 748546 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 748546 |
| IRS990/LegalDomicileStateCd | 0 | AZ |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 2361399 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | TO SUSTAIN AND ENHANCE LOWELL OBSERVATORY'S MISSION OF RESEARCH AND EDUCATION BY GENERATING PERPETUAL FINANCIAL SUPPORT. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 5339642 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 6023503 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 19688 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 19688 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -447609 |
| IRS990/NoncashContributionsAmt | 0 | 730000 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 60 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 60 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1000 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | LICENSES AND FEES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 4000 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 4000 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 4913904 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 5064600 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 60000 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 1700 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | W DAVID CONNELL |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 1508622 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 94026 |
| IRS990/PYInvestmentIncomeAmt | 0 | 180219 |
| IRS990/PYOtherExpensesAmt | 0 | 29393 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 1565422 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 123419 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 1688841 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 1131470 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RelatedOrganizationsAmt | 0 | 170998 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 2560981 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 2245355 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | 1 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | 0 |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | 1 |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 860098918 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | 1 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 7 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 171529 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | LOWELL OBSERVATORY |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 171529 |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 0.00000 |
| IRS990ScheduleD/CYEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 36275 |
| IRS990ScheduleD/CYEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 5118816 |
| IRS990ScheduleD/CYEndwmtFundGrp/ContributionsAmt | 0 | 467872 |
| IRS990ScheduleD/CYEndwmtFundGrp/EndYearBalanceAmt | 0 | 5064600 |
| IRS990ScheduleD/CYEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 166105 |
| IRS990ScheduleD/CYEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -319708 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 29325 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 3288078 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/ContributionsAmt | 0 | 1476056 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 5118816 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 82526 |
| IRS990ScheduleD/CYMinus1YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 466533 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/AdministrativeExpensesAmt | 0 | 20000 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/BeginningYearBalanceAmt | 0 | 2075218 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/ContributionsAmt | 0 | 1254991 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 3288078 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/GrantsOrScholarshipsAmt | 0 | 109006 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | 181391 |
| IRS990ScheduleD/CYMinus2YrEndwmtFundGrp/OtherExpendituresAmt | 0 | 94516 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/ContributionsAmt | 0 | 2282857 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/EndYearBalanceAmt | 0 | 2075218 |
| IRS990ScheduleD/CYMinus3YrEndwmtFundGrp/InvestmentEarningsOrLossesAmt | 0 | -207639 |
| IRS990ScheduleD/EndowmentsHeldRelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/EndowmentsHeldUnrelatedOrgInd | 0 | 0 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 748546 |
| IRS990ScheduleD/LandGrp/OtherCostOrOtherBasisAmt | 0 | 748546 |
| IRS990ScheduleD/PrmnntEndowmentBalanceEOYPct | 0 | 1.00000 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | A MAJORITY OF THE ENDOWMENT FUNDS ARE HELD IN PERPETUITY FOR THE BENEFIT OF LOWELL OBSERVATORY. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | THE FOLLOWING DISCLOSURE IS RELATED TO THE COMBINED FINANCIAL STATEMENTS OF THE LOWELL OBSERVATORY, TRUST U/W OF PERCIVAL LOWELL, AND THE LOWELL OBSERVATORY FOUNDATION: THE OBSERVATORY, THE FOUNDATION, AND THE TRUST ARE EXEMPT FROM INCOME TAXES UNDER BOTH INTERNAL REVENUE CODE (IRC) SECTION 501(C)(3) AND ARIZONA INCOME TAX LAWS. THE OBSERVATORY IS CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION UNDER IRC SECTION 509(A)(1). THE FOUNDATION AND THE TRUST ARE EACH CLASSIFIED AS OTHER THAN A PRIVATE FOUNDATION UNDER IRC SECTION 509(A)(3) AS A SUPPORTING ORGANIZATION OF THE OBSERVATORY. INCOME FROM CERTAIN ACTIVITIES NOT DIRECTLY RELATED TO THE ORGANIZATION'S TAX-EXEMPT PURPOSE, HOWEVER, MAY BE SUBJECT TO TAXATION AS UNRELATED BUSINESS TAXABLE INCOME (UBTI). FROM TIME TO TIME, THE ORGANIZATION MAY BE SUBJECT TO PENALTIES AND INTEREST ASSESSED BY VARIOUS TAXING AUTHORITIES, WHICH ARE CLASSIFIED AS GENERAL AND ADMINISTRATIVE EXPENSES IF THEY OCCUR. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART V, LINE 4: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PART X, LINE 2: |
| IRS990ScheduleD/TermEndowmentBalanceEOYPct | 0 | 0.00000 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 748546 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 0 |
| IRS990ScheduleI/RecipientTable/CashGrantAmt | 0 | 111529 |
| IRS990ScheduleI/RecipientTable/IRCSectionDesc | 0 | 501(C)(3) |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceAmt | 0 | 60000 |
| IRS990ScheduleI/RecipientTable/NonCashAssistanceDesc | 0 | DONOR'S PLEDGE RECEIVABLE |
| IRS990ScheduleI/RecipientTable/PurposeOfGrantTxt | 0 | ENDOWMENT EARNINGS/GENERAL SUPPORT |
| IRS990ScheduleI/RecipientTable/RecipientBusinessName/BusinessNameLine1Txt | 0 | LOWELL OBSERVATORY |
| IRS990ScheduleI/RecipientTable/RecipientEIN | 0 | 860098918 |
| IRS990ScheduleI/RecipientTable/USAddress/AddressLine1Txt | 0 | 1400 W MARS HILL RD |
| IRS990ScheduleI/RecipientTable/USAddress/CityNm | 0 | FLAGSTAFF |
| IRS990ScheduleI/RecipientTable/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990ScheduleI/RecipientTable/USAddress/ZIPCd | 0 | 86001 |
| IRS990ScheduleI/RecipientTable/ValuationMethodUsedDesc | 0 | BOOK VALUE |
| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | THE FOUNDATION EXISTS WITH THE SOLE PURPOSE OF SUPPORTING LOWELL OBSERVATORY, THEREFORE SELECTION CRITERIA AND ELIGIBILITY REQUIREMENTS ARE NOT APPLICABLE. SUBSTANTIATION FOR THE AMOUNTS OF GRANTS ARE KEPT WITHIN LOWELL'S INTERNAL ACCOUNTING DEPARTMENT. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 2: |
| IRS990ScheduleI/Total501c3OrgCnt | 0 | 1 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | 0 |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | 0 |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | 0 |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | 0 |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 1 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 142931 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990RltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompensationFlngOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/DeferredCompRltdOrgsAmt | 0 | 7275 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/NontaxableBenefitsRltdOrgsAmt | 0 | 8566 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/OtherCompensationRltdOrgsAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/PersonNm | 0 | ANNE T ACTOR |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TitleTxt | 0 | EXECUTIVE DIRECTOR |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/TotalCompensationRltdOrgsAmt | 0 | 158772 |
| IRS990ScheduleJ/SeverancePaymentInd | 0 | 0 |
| IRS990ScheduleJ/SupplementalNonqualRtrPlanInd | 0 | 0 |
| IRS990ScheduleM/AnyPropertyThatMustBeHeldInd | 0 | 0 |
| IRS990ScheduleM/RealEstateResidentialGrp/ContributionCnt | 0 | 1 |
| IRS990ScheduleM/RealEstateResidentialGrp/MethodOfDeterminingRevenuesTxt | 0 | INDEPENDENT APPRAISAL |
| IRS990ScheduleM/RealEstateResidentialGrp/NonCashCheckboxInd | 0 | X |
| IRS990ScheduleM/RealEstateResidentialGrp/NoncashContributionsRptF990Amt | 0 | 730000 |
| IRS990ScheduleM/ReviewProcessUnusualNCGiftsInd | 0 | 1 |
| IRS990ScheduleM/SupplementalInformationDetail/ExplanationTxt | 0 | THE FOUNDATION HIRED AN ATTORNEY TO COMPLETE DUE DILIGENCE AND PROCESS THE TRANSFER OF REAL ESTATE PROPERTY THAT WAS CONTRIBUTED. |
| IRS990ScheduleM/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 32B: |
| IRS990ScheduleM/ThirdPartiesUsedInd | 0 | 1 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE TRUST AGREEMENT WAS AMENDED ON JUNE 9TH, 2018 TO INCREASE THE MAXIMUM NUMBER OF MEMBERS OF THE BOARD OF TRUSTEES FROM SEVEN MEMBERS TO FIFTEEN MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | CURRENTLY, THE BOARD OF TRUSTEES CONSISTS OF SEVEN INDIVIDUALS. ONE OF THE INDIVIDUALS SHALL BE THE SOLE TRUSTEE OF THE LOWELL OBSERVATORY WHO SHALL ALWAYS BE A TRUSTEE OF THE FOUNDATION. FOR THE INITIAL TERM OF THE REMAINING SIX INDIVIDUALS, TWO OF THESE INDIVIDUALS WILL BE SELECTED FOR A THREE YEAR TERM, TWO FOR A TWO YEAR TERM, AND TWO FOR A ONE YEAR TERM. THESE REMAINING SIX MEMBERS OF THE BOARD OF TRUSTEES WILL BE SELECTED BY THE SOLE TRUSTEE AND THE EXECUTIVE COMMITTEE OF THE ADVISORY BOARD OF THE LOWELL OBSERVATORY. AT THE END OF THE TERMS OF THE INITIAL MEMBERS OF THE BOARD OF TRUSTEES, NEW SUCCESSOR TRUSTEES WILL BE SELECTED FOR THREE YEAR TERMS. THE TRUST AGREEMENT WAS AMENDED ON JUNE 9, 2018 TO INCREASE THE MAXIMUM NUMBER OF MEMBERS OF THE BOARD OF TRUSTEES FROM SEVEN MEMBERS TO FIFTEEN MEMBERS. ANY NEW SUCCESSOR TRUSTEES WILL BE SELECTED BY NOMINATION OF THE EXECUTIVE COMMITTEE OF THE ADVISORY BOARD OF THE LOWELL OBSERVATORY AND SUBJECT TO THE APPROVAL OF A MAJORITY VOTE BY THE ADVISORY BOARD OF THE LOWELL OBSERVATORY PRESENT AT ITS ANNUAL MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE FORM 990 DRAFT WILL BE FIRST REVIEWED BY THE DEPUTY DIRECTOR FOR ADMINISTRATION (DDA) FOR THE OBSERVATORY FOR ACCURACY. ONCE IT HAS BEEN DEEMED ACCURATE BY THE DDA IT WILL BE FORWARDED TO THE LOWELL OBSERVATORY AUDIT COMMITTEE AND THE FOUNDATION BOARD OF TRUSTEES FOR THEIR REVIEW AND COMMENTS. AFTER ANY QUESTIONS AND COMMENTS HAVE BEEN ADDRESSED IT WILL BE APPROVED AND A FINAL COPY WILL BE SIGNED BY THE BOARD CHAIRMAN. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | EACH OF THE FOUNDATION TRUSTEES CERTIFY IN WRITING ANNUALLY THAT THEY ARE IN COMPLIANCE WITH THE PROVISIONS OF THE FOUNDATION'S CONFLICTS OF INTEREST POLICY. THE FOUNDATION BELIEVES THAT THIS PROVIDES REASONABLE ADDITIONAL PROTECTION AGAINST PROHIBITED TRANSACTIONS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | ALL OF THESE DOCUMENTS WILL BE POSTED ON THE FOUNDATION WEBSITE AND THE FORM 990 WILL BE AVAILABLE ON CHARITY NAVIGATOR AND GUIDESTAR. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 4 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleR/AssetExchangeInd | 0 | 0 |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | 0 |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | 0 |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | 1 |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | 1 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 0 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ControlledOrganizationInd | 1 | 0 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | TRUST UW OF PERCIVAL LOWELL |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DirectControllingEntityName/BusinessNameLine1Txt | 1 | LOWELL OBSERVATORY |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 0 | LOWELL OBSERVATORY |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/DisregardedEntityName/BusinessNameLine1Txt | 1 | PERCIVAL LOWELL TRUST UW |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 0 | 860098918 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/EIN | 1 | 042007327 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 0 | 501(C)(3) |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/ExemptCodeSectionTxt | 1 | 501(C)(3) |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 0 | AZ |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/LegalDomicileStateCd | 1 | AZ |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 0 | ASTRONOMICAL RESEARCH AND EDUCATION |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PrimaryActivitiesTxt | 1 | CHARITABLE TRUST F/B/O LOWELL OBSERVATORY |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PublicCharityStatusTxt | 0 | LINE 7 |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/PublicCharityStatusTxt | 1 | LINE 12B, II |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 1400 W MARS HILL ROAD |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 1 | 1400 W MARS HILL ROAD |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | FLAGSTAFF |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 1 | FLAGSTAFF |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 0 | AZ |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/StateAbbreviationCd | 1 | AZ |
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Displayed year
2018 • Form 990Detailed filing. Detailed filing data is available for this year.