Liabilities / Assets
32nd percentile
Higher debt load relative to assets than 32% of similar nonprofits.
Precomputed percentiles for this filing year versus similar nonprofits in the same peer cohort.
Liabilities / Assets
32nd percentile
Higher debt load relative to assets than 32% of similar nonprofits.
Liabilities / Revenue
31st percentile
Higher debt load relative to revenue than 31% of similar nonprofits.
Net Margin
88th percentile
Higher net margin than 88% of similar nonprofits.
Top Officer Pay
49th percentile
Higher top officer pay than 49% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
58th percentile
Faster asset growth than 58% of similar nonprofits.
Revenue Growth
89th percentile
Faster revenue growth than 89% of similar nonprofits.
Assets
Up$975,683
Up $58,328 (+6.4%) from 2016
Net Assets
Up$972,838
Up $59,718 (+6.5%) from 2016
Liabilities
Down$2,845
Down $1,390 (-33%) from 2016
Revenue
Up$772,125
Up $309,843 (+67%) from 2016
Expenses
Up$462,407
Up $65,787 (+17%) from 2016
Net Income
Up$309,718
Up $244,056 (+372%) from 2016
The Mount Wilson Institute provides access to the facilities of Mount Wilson observatory to visiting scientists, educators and the General public while servicing, maintaining and upgrading the overall facilities of the observatory.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $371,365 | $501,147 | ▲ $129,782 |
| Savings and Temporary Cash Investments | $479,397 | $381,493 | ▼ $97,904 |
| Accounts Receivable | $28,071 | $85,273 | ▲ $57,202 |
| Inventories for Sale or Use | $4,450 | $5,050 | ▲ $600 |
| Cash and Non-Interest-Bearing Accounts | $34,072 | $2,720 | ▼ $31,352 |
| Other Notes and Loans Receivable, Net | - | $0 | - |
| Pledges and Grants Receivable | - | $0 | - |
| Receivable From Disqualified Prsn | - | $0 | - |
| Receivables From Officers Etc | - | $0 | - |
| Investments Other Securities | - | $0 | - |
| Investments Program Related | - | $0 | - |
| Investments in Publicly Traded Securities | - | $0 | - |
| Intangible Assets | - | $0 | - |
| Prepaid Expenses and Deferred Charges | - | $0 | - |
| Total Assets | $917,355 | $975,683 | ▲ $58,328 |
| Other Assets Total | - | $0 | - |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $4,235 | $2,845 | ▼ $1,390 |
| Total Liabilities | $4,235 | $2,845 | ▼ $1,390 |
| Net Assets / Fund Balance | |||
| Unrestricted Net Assets | $913,120 | $972,838 | ▲ $59,718 |
| Total Net Assets Fund Balance | $913,120 | $972,838 | ▲ $59,718 |
| Total Liabilities and Net Assets / Fund Balance | $917,355 | $975,683 | ▲ $58,328 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | - | $1,069,827 | $1,069,827 |
| Other Land Buildings | $421,250 | $18,769 | $440,019 |
| Leasehold Improvements | $60,059 | $212,707 | $272,766 |
| Equipment | $19,838 | $23,806 | $43,644 |
| Name | Title |
|---|---|
| Mr Samuel D Hale | Chairman & CEO |
| Dr Josh Simon | Trustee |
| Mr Dan Kohne | Trustee |
| Mr LARRY S WEBSTER | Trustee |
| Mr MICHAEL H HORNER | Trustee |
| Mr Mike McIntyre | Trustee |
| Mr Scott Hood | Trustee |
| Mr Timothy Thompson | Trustee |
| Ms Linda Van Winkle Deacon | Trustee |
| Mr C ROBERT FERGUSON | Secretary |
| Line Item | Amount |
|---|---|
| Other Expenses | $290,926 |
| Salaries, Compensation, and Employee Benefits | $171,481 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $150,178 | - | - | $150,178 |
| All Other Expenses | $48,607 | $3,152 | - | $51,759 |
| Insurance | $33,446 | - | - | $33,446 |
| Other Expenses | $37,669 | $31,624 | - | $31,624 |
| Payroll Taxes | $14,455 | - | - | $14,455 |
| Other Employee Benefits | $6,848 | - | - | $6,848 |
| Fees for Services Accounting | - | $4,761 | - | $4,761 |
| Total Functional Expenses | $422,870 | $39,537 | $0 | $462,407 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $25,175 |
| Fundraising Direct Expenses | $17,832 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Concert Income | $25,175 | $25,175 | $17,832 | $7,343 |
| Total Events | $25,175 | $25,175 | $17,832 | $7,343 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Receivables from Disqualified Persons | - | $0 | - |
| Receivables from Officers, Directors, Trustees, and Key Employees | - | $0 | - |
“Reviewed by appropriate committee”
“Available upon request.”
“BANK & CC CHARGES: Column (A) - Total = $3152; Column (B) - Program Services = $0; Column (C) - Management & General = $3152; Column (D) - Fundraising = $0”
“MISCELLANEOUS: Column (A) - Total = $22729; Column (B) - Program Services = $22729; Column (C) - Management & General = $0; Column (D) - Fundraising = $0”
“SUPPLIES: Column (A) - Total = $18355; Column (B) - Program Services = $18355; Column (C) - Management & General = $0; Column (D) - Fundraising = $0”
“Vehicle Expense & Maintenance: Column (A) - Total = $7523; Column (B) - Program Services = $7523; Column (C) - Management & General = $0; Column (D) - Fundraising = $0”
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 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 4235 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 2845 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 28071 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 85273 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The Mount Wilson Institute provides access to the facilities of Mount Wilson observatory to visiting scientists, educators and the General public while servicing, maintaining and upgrading the overall facilities of the observatory. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllAffiliatesIncludedInd | 0 | false |
| IRS990/AllOtherContributionsAmt | 0 | 270368 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 3152 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 48607 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 51759 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | THOMAS MENEGHINI |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6263040269 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | MWI c/o 813 SANTA BARBARA ST |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | PASADENA |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 911011232 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 34072 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 2720 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/CostOfGoodsSoldAmt | 0 | 83010 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 270368 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 98 |
| IRS990/CYOtherExpensesAmt | 0 | 290926 |
| IRS990/CYOtherRevenueAmt | 0 | 80129 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 421530 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 309718 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 171481 |
| IRS990/CYTotalExpensesAmt | 0 | 462407 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 772125 |
| IRS990/DAFExcessBusinessHoldingsInd | 0 | false |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Providing access to the facilities of the Mount Wilson observatory to visiting scientists, educators and general public while servicing, maintaining and upgrading the overall facilities of the observatory. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DistributionToDonorInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 7 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | false |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 422870 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 4761 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 4761 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form1098CFiledInd | 0 | false |
| IRS990/Form8282FiledCnt | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form8899Filedind | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| 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/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | MR SAMUEL D HALE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Mr C ROBERT FERGUSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Mr MICHAEL H HORNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | DR JOSH SIMON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Ms Linda Van Winkle Deacon |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Mr LARRY S WEBSTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Mr Scott Hood |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Mr Dan Kohne |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Mr Mike McIntyre |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Mr Timothy Thompson |
| 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/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Chairman & CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Trustee |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/Form990TFiledInd | 0 | false |
| IRS990/FormationYr | 0 | 1986 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | true |
| IRS990/FundraisingDirectExpensesAmt | 0 | 17832 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 25175 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 10 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 872967 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 11598 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 141052 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 10 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 0 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 33446 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 33446 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 4450 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 5050 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 98 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 98 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/InvestTaxExemptBondsInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 12 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1325109 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 371365 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 501147 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1826256 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LicensedMoreThanOneStateInd | 0 | false |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | false |
| IRS990/MinutesOfGoverningBodyInd | 0 | false |
| IRS990/MissionDesc | 0 | The Mount Wilson Institute provides access to the facilities of Mount Wilson observatory to visiting scientists, educators and the General public while servicing, maintaining and upgrading the overall facilities of the observatory. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 913120 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 972838 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 7343 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 58042 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 58042 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 11598 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 11598 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OnBehalfOfIssuerInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OrgFiledInLieuOfForm1041Ind | 0 | false |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 6848 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 6848 |
| IRS990/OtherExpensesGrp/Desc | 0 | UTILITIES |
| IRS990/OtherExpensesGrp/Desc | 1 | Site Operation & Maint |
| IRS990/OtherExpensesGrp/Desc | 2 | Repair & Maintenance |
| IRS990/OtherExpensesGrp/Desc | 3 | OTHER EXP |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 31624 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 87187 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 44480 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 37669 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 87187 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 44480 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 37669 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 31624 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | Other Income |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 3146 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 3146 |
| IRS990/OtherRevenueTotalAmt | 0 | 3146 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 150178 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 150178 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 14455 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 14455 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 0 |
| IRS990/PriorPeriodAdjustmentsAmt | 0 | -250000 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Filming |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | Site & Telescope Use Fees |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | Speaker Income |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | Tour Income |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 27022 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 367505 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 2820 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 24183 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 27022 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 367505 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 2820 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 24183 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 68504 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | 103 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 275671 |
| IRS990/PYOtherRevenueAmt | 0 | 8866 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 384809 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 65662 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 120949 |
| IRS990/PYTotalExpensesAmt | 0 | 396620 |
| IRS990/PYTotalRevenueAmt | 0 | 462282 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 309718 |
| IRS990/RegularMonitoringEnfrcInd | 0 | false |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 11598 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990/RoyaltiesRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 479397 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 381493 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 270368 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 68504 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 12521 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 16696 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 22895 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 390984 |
| IRS990ScheduleA/GovtFurnSrvcFcltsVl509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 98 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 103 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 92 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 111 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 207 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 611 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 141052 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 129824 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 125370 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 111438 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 83909 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 591593 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 98 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 103 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 92 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 111 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 207 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 611 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00060 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00120 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearAmt | 0 | 3146 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 4499 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 7994 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 10282 |
| IRS990ScheduleA/OtherIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 9247 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 35168 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.96490 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.95680 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 982577 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/TaxRevLeviedOrgnztnlBnft509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 411420 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 198328 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 137891 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 128134 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 106804 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 982577 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 414664 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 202930 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 145977 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 138527 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 116258 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 1018356 |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 1069827 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1069827 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 19838 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 23806 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 43644 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 60059 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 212707 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 272766 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 421250 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 18769 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 440019 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 501147 |
| IRS990ScheduleG/AgrmtProfFundraisingActyInd | 0 | false |
| IRS990ScheduleG/FundraisingEventInformationGrp/DirectExpenseSummaryEventsAmt | 0 | 17832 |
| IRS990ScheduleG/FundraisingEventInformationGrp/Event1Nm | 0 | CONCERT INCOME |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsEvent1Amt | 0 | 25175 |
| IRS990ScheduleG/FundraisingEventInformationGrp/GrossReceiptsTotalAmt | 0 | 25175 |
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Displayed year
2017 • Form 990Detailed filing. Detailed filing data is available for this year.