Civic Intelligence

Large Binocular Telescope Corporation

EIN 86-0724677 • 501(c)3 • Tucson, AZ

Profile

The lbt corporation's purpose is to maintain and operate a large optical observatory for astronomical research which will expand humanity's knowledge of space from the vicinity of earth to the edge of the observable universe.

933 N Cherry Ave Rm 552Tucson, AZ 85721

lbto.org

Siviq Scores

Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.

Liabilities / Assets

30th percentile

0.08x

Higher debt load relative to assets than 30% of similar nonprofits.

501(c)3 • $50M-$100M nonprofits • Source year 2024

Liabilities / Revenue

60th percentile

0.50x

Higher debt load relative to revenue than 60% of similar nonprofits.

501(c)3 • $50M-$100M nonprofits • Source year 2024

Net Margin

5th percentile

-45%

Higher net margin than 5% of similar nonprofits.

501(c)3 • $50M-$100M nonprofits • Source year 2024

Top Officer Pay

8th percentile

$27,500

Higher top officer pay than 8% of similar nonprofits.

Top officer pay equals 0.2% of source-year revenue.

501(c)3 • $50M-$100M nonprofits • Source year 2024

Asset Growth

10th percentile

-6.9%

Faster asset growth than 10% of similar nonprofits.

501(c)3 • $50M-$100M nonprofits • Annualized from 2023 to 2024

Revenue Growth

6th percentile

-37%

Faster revenue growth than 6% of similar nonprofits.

501(c)3 • $50M-$100M nonprofits • Annualized from 2023 to 2024

Assets

Down

$94,570,234

Down $7,009,356 (-6.9%) from 2023

Liabilities

Down

$7,563,457

Down $159,467 (-2.1%) from 2023

Net Assets

Down

$87,006,777

Down $6,849,889 (-7.3%) from 2023

Revenue

Down

$15,240,683

Down $8,879,745 (-37%) from 2023

Expenses

Down

$22,090,572

Down $480,964 (-2.1%) from 2023

Net Income

Down

-$6,849,889

Down $8,398,781 (-542%) from 2023

Trend Graphs

Balance Sheet Trend

Grouped bars show assets, liabilities, and net assets across loaded filings.

$150M$100M$50M$0Assets 2010: $129,827,284Liabilities 2010: $3,267,021Net Assets 2010: $126,560,2632010Assets 2011: $130,450,166Liabilities 2011: $2,610,545Net Assets 2011: $127,839,6212011Assets 2012: $128,202,357Liabilities 2012: $3,133,873Net Assets 2012: $125,068,4842012Assets 2013: $125,224,741Liabilities 2013: $2,738,640Net Assets 2013: $122,486,1012013Assets 2014: $124,893,959Liabilities 2014: $2,671,171Net Assets 2014: $122,222,7882014Assets 2015: $129,722,539Liabilities 2015: $3,203,051Net Assets 2015: $126,519,4882015Assets 2016: $124,798,749Liabilities 2016: $2,695,638Net Assets 2016: $122,103,1112016Assets 2017: $120,979,091Liabilities 2017: $2,895,312Net Assets 2017: $118,083,7792017Assets 2018: $119,161,130Liabilities 2018: $3,656,788Net Assets 2018: $115,504,3422018Assets 2019: $120,441,730Liabilities 2019: $8,345,977Net Assets 2019: $112,095,7532019Assets 2020: $112,935,618Liabilities 2020: $8,053,635Net Assets 2020: $104,881,9832020Assets 2021: $104,607,014Liabilities 2021: $7,584,005Net Assets 2021: $97,023,0092021Assets 2022: $100,280,191Liabilities 2022: $7,972,417Net Assets 2022: $92,307,7742022Assets 2023: $101,579,590Liabilities 2023: $7,722,924Net Assets 2023: $93,856,6662023Assets 2024: $94,570,234Liabilities 2024: $7,563,457Net Assets 2024: $87,006,7772024

Highlighted filing

2024

Assets$94,570,234
Liabilities$7,563,457
Net Assets$87,006,777

Operations Trend

Revenue, expenses, and net income by year, with the latest filing highlighted.

$30M$20M$10M$0-$10MRevenue 2010: $13,629,647Expenses 2010: $11,983,401Net Income 2010: $1,646,2462010Revenue 2011: $10,463,245Expenses 2011: $9,183,939Net Income 2011: $1,279,3062011Revenue 2012: $8,740,212Expenses 2012: $11,511,349Net Income 2012: -$2,771,1372012Revenue 2013: $10,075,250Expenses 2013: $12,657,633Net Income 2013: -$2,582,3832013Revenue 2014: $10,124,062Expenses 2014: $12,720,546Net Income 2014: -$2,596,4842014Revenue 2015: $10,085,386Expenses 2015: $14,016,736Net Income 2015: -$3,931,3502015Revenue 2016: $10,359,998Expenses 2016: $15,648,682Net Income 2016: -$5,288,6842016Revenue 2017: $10,927,380Expenses 2017: $14,946,712Net Income 2017: -$4,019,3322017Revenue 2018: $13,109,030Expenses 2018: $15,688,467Net Income 2018: -$2,579,4372018Revenue 2019: $18,427,189Expenses 2019: $20,335,778Net Income 2019: -$1,908,5892019Revenue 2020: $12,299,317Expenses 2020: $19,513,087Net Income 2020: -$7,213,7702020Revenue 2021: $11,909,094Expenses 2021: $19,768,068Net Income 2021: -$7,858,9742021Revenue 2022: $12,383,410Expenses 2022: $20,068,645Net Income 2022: -$7,685,2352022Revenue 2023: $24,120,428Expenses 2023: $22,571,536Net Income 2023: $1,548,8922023Revenue 2024: $15,240,683Expenses 2024: $22,090,572Net Income 2024: -$6,849,8892024

Highlighted filing

2024

Revenue$15,240,683
Expenses$22,090,572
Net Income-$6,849,889

Filings

Balance SheetOperations
YearAssetsLiabilitiesNet AssetsRevenueExpensesNet Income
2024Detailed filing. Detailed filing data is available for this year.$94.6$7.56$87.0$15.2$22.1$6.85
2023Detailed filing. Detailed filing data is available for this year.$102$7.72$93.9$24.1$22.6$1.55
2022Detailed filing. Detailed filing data is available for this year.$100$7.97$92.3$12.4$20.1$7.69
2021Detailed filing. Detailed filing data is available for this year.$105$7.58$97.0$11.9$19.8$7.86
2020Detailed filing. Detailed filing data is available for this year.$113$8.05$105$12.3$19.5$7.21
2019Detailed filing. Detailed filing data is available for this year.$120$8.35$112$18.4$20.3$1.91
2018Detailed filing. Detailed filing data is available for this year.$119$3.66$116$13.1$15.7$2.58
2017Detailed filing. Detailed filing data is available for this year.$121$2.90$118$10.9$14.9$4.02
2016Detailed filing. Detailed filing data is available for this year.$125$2.70$122$10.4$15.6$5.29
2015Detailed filing. Detailed filing data is available for this year.$130$3.20$127$10.1$14.0$3.93
2014Detailed filing. Detailed filing data is available for this year.$125$2.67$122$10.1$12.7$2.60
2013Detailed filing. Detailed filing data is available for this year.$125$2.74$122$10.1$12.7$2.58
2012Summary only. Only limited summary data is available for this year.$128$3.13$125$8.74$11.5$2.77
2011Summary only. Only limited summary data is available for this year.$130$2.61$128$10.5$9.18$1.28
2010Summary only. Only limited summary data is available for this year.$130$3.27$127$13.6$12.0$1.65
Latest Filing Detail
Jump To
Filing Snapshot
Filing Period
Jan 1, 2024 to Dec 31, 2024
Signed
Jul 21, 2025
Return Version
2024v5.2
Gross Receipts
$15,240,683
Mission and Program Overview

Mission

The LBT Corporation's purpose is to maintain and operate a large optical observatory for astronomical research which will expand mankind's knowledge of space from the vicinity of Earth to the edge of the observable universe.

To construct and operate a research facility known as the Large Binocular Telescope.

Balance Sheet Detail
LineBeginningEndChange
Assets
Land, Buildings, and Equipment, Net$97,459,680$89,180,740▼ $8,278,940
Cash and Non-Interest-Bearing Accounts$3,011,888$4,235,240▲ $1,223,352
Savings and Temporary Cash Investments$1,035,000$1,069,650▲ $34,650
Prepaid Expenses and Deferred Charges$73,022$84,604▲ $11,582
Total Assets$101,579,590$94,570,234▼ $7,009,356
Liabilities
Other Liabilities$7,411,187$7,284,547▼ $126,640
Accounts Payable and Accrued Expenses$311,737$278,910▼ $32,827
Total Liabilities$7,722,924$7,563,457▼ $159,467
Net Assets / Fund Balance
Net Assets Without Donor Restrictions$93,856,666$87,006,777▼ $6,849,889
Total Net Assets Fund Balance$93,856,666$87,006,777▼ $6,849,889
Total Liabilities and Net Assets / Fund Balance$101,579,590$94,570,234▼ $7,009,356

Asset Categories

AssetBook ValueDepreciationBasis
Equipment$48,261,342$65,605,367$113,866,709
Buildings$40,919,398$31,612,311$72,531,709
Compensation and Service Providers

Employees

NameTitleBaseTotal
Adriano FontanaChiarman & President$27,500$27,500

Board Members and Trustees

NameTitle
Chris KochanekVice Chairman
Andreas QuirrenbachDirector
Dennis ZaritskyDirector
Evan KirbyDirector
Matthias SteinmetzDirector
Roberto RagazzoniDirector
Buell JannuziDirector & Member Representative
Fillippo ZerbiMember Representative
Hans-Walter RixMember Representative
Susan OlesikMember Representative
Elizabeth GreenSecretary
Mathias VossTreasurer

Highest Paid Contractors

ContractorServicesLocationCompensation
ADS InternationalDesign/Fabrication/Testing/CalibrationVia Pio Galli Sindacalist 3, Lecco, It$165,489
Revenue and Support

Revenue Composition

Contributions and Grants
$15,123,001
Program Service Revenue
$0
Investment Income
$63,939
Other Revenue
$53,743
All Other Contributions
$7,561,500
Change in Net Assets
$-6,849,889

Audited Revenue Reconciliation

Revenue per Audited Statements
$15,240,683
Revenue Not Reported on Financial Statements
$0
Revenue Not Reported on Form 990
$0
Total Revenue per Audited Statements
$15,240,683
Total Revenue per Form 990
$15,240,683
Expenses and Functional Allocation

Major Expense Lines

Line ItemAmount
Other Expenses$22,053,072
Salaries, Compensation, and Employee Benefits$27,500
Grants and Similar Amounts Paid$10,000
Professional Fundraising Fees$0
Total Fundraising Expense$0

Functional Expense Allocation

Line ItemProgramManagementFundraisingTotal
Depreciation Depletion$8,596,364--$8,596,364
Occupancy$1,156,539--$1,156,539
Other Expenses$766,905$2,012,731-$766,905
Fees for Services Other$317,739$52,116-$369,855
All Other Expenses$155,679--$155,679
Travel$84,736--$84,736
Advertising-$47,329-$47,329
Office Expenses$39,521$1,752-$41,273
Fees for Services Accounting-$28,860-$28,860
Current Officers, Directors, Trustees, and Key Employees-$27,500-$27,500
Information Technology$23,229--$23,229
Conferences and Meetings$1,520$20,134-$21,654
Grants to Domestic Individuals$10,000--$10,000
Insurance-$3,643-$3,643
Total Functional Expenses$19,896,507$2,194,065$0$22,090,572

Audited Expense Reconciliation

Line ItemAmount
Expenses per Audited Statements$22,090,572
Total Expenses per Audited Statements$22,090,572
Total Expenses per Form 990$22,090,572
Expenses Not Reported on Financial Statements$0
Expenses Not Reported on Form 990$0
Fundraising, Events, and Gaming
Fundraising activities
No
Gaming activities
No
Professional fundraiser used
No

Fundraising and Gaming Totals

Line ItemAmount
Professional Fundraising Fees$0
Political and Lobbying Activity
Political campaign activity
No
Lobbying activity
No
Subject to proxy tax
No
Insider Transactions and Loans

Interested-Person Transactions

Interested PartyRelationshipDescriptionShared RevenueAmount
-Founding Member of the Organization (Operations Support Agreement)Quarterly payments for salary, equipment and supply charges to UA accounts.No$9,290,545
Debt and Bond Financing

Other Reported Liabilities

LiabilityAmount
Asset Retirement Obligation$5,000,000
Due to Related Parties$2,207,816
Member Prepayment$76,731
Governance and Compliance

Governance Checklist

Compiled or reviewed by an accountant
No
Annual disclosure for covered persons
Yes
Audit committee
Yes
Backup withholding compliance
Yes
Business relationship with 35% controlled entity
Yes
Business relationship with family members
No
Business relationship with organization members
No
Material changes to governing documents
No
Compensation from other sources disclosed
No
CEO compensation reviewed
No
Other officer compensation reviewed
Yes
Conflict-of-interest policy
Yes
Audited financial statements prepared
No
Key decisions subject to board approval
Yes
Management duties delegated
No

Governance Explanations

Form 990, Part VI, Section A, line 6

The Organization is supported by members which have agreed to continue to support the telescope program through member contributions proportionate to their membership levels. The members are allocated time for telescope use proportionate to their contributions made through both cash and non-cash payments.

Form 990, Part VI, Section A, line 7A

Members of the Organization appoint members to the Board of Directors.

Form 990, Part VI, Section A, line 7B

Amendments of the Articles of Incorporation require unanimous approval of members.

Form 990, Part VI, Section A, line 8B

Contemporaneous documentation is taken at Governing Body meetings. However, documentation is not taken at Committee meetings.

Form 990, Part VI, Section B, line 11B

The Business Manager will conduct an initial review of the Form 990. The Finance committee then reviews the Form 990 on behalf of the Board of Directors. Upon approval of the Finance Committee, the Board is notified that the Form 990 is available on-line and the President is authorized to sign the Form 990 for submission to the IRS.

Form 990, Part VI, Section B, line 12C

The Corporate Secretary distributes annual Conflict of Interest forms to all directors, officers, member representatives, voting members of the Board Finance Committee, members of the Board Scientific Advisory Committee, the Observatory director and business manager. By signing the forms and returning them to the Secretary, these people affirm that they have read and understand the Conflict of Interest policy of the LBT Corporation and have disclosed any possible conflicts. The Secretary reviews the forms for any disclosures and keeps them with the corporate records. Any disclosed conflicts are referred to the Board for their information. Any further action concerning disclosed conflicts or possible conflicts are handled according to the procedures contained in the LBT Corporation Conflict of Interest policy.

Form 990, Part VI, Section B, line 15B

Only one director receives a fee for service on the Board. That fee was set after review by the independent directors of the Corporation in consultation with the Corporation's audit and tax advisors. It was increased by the Board to $30,000 in April 2024. The first payment was $5,000 based on the previous compensation of $20,000, and the remaining three payments were $7,500 each, totaling $27,500 for 2024. The salary of the Observatory Director, and all other employees, is set by the University of Arizona pursuant to an operational support agreement with the LBT Corporation.

Form 990, Part VI, Section C, line 19

The governing documents and financial statements are available upon request.

Filing and Contact Details

Filer

Filer Name
Large Binocular Telescope Corporation
EIN
86-0724677
Phone
5206265231
Address
933 N Cherry Ave Rm 552, Tucson, AZ 85721

Signing Officer

Name
Adriano Fontana
Title
President
Phone
5206265231
Signed
2025-07-21
Discuss with paid preparer
Yes

Organization Details

Principal Officer
Adriano Fontana
Formed
1992
Legal Domicile
Az
Voting Board Members
11
Independent Board Members
10
Employees
0
Volunteers
13

Preparer

Firm
Keegan Linscott & Associates PC
Address
3443 N Campbell Avenue Suite 115, Tucson, AZ 85719
Preparer
Carla J Keegan
Phone
5208840176
Supplemental Narrative

Financial Statement Notes

Part X, Line 2:

The Corporation is exempt from income taxes under both Federal Internal Revenue Code ("IRC") Section 501(c)(3) and Arizona income tax laws, and is classified as other than a private foundation under IRC Section 509(a)(1). The Corporation also qualifies for the charitable contribution deduction under IRC Section 170(b)(1)(a). Management has considered its tax positions in accordance with the accounting standard for uncertainty in income taxes and believes that all of the positions taken in its federal and state exempt organization tax returns are more likely than not to be sustained upon examination. Management is not aware of any matters which would cause the Corporation to lose its tax-exempt status. The Corporation's returns are subject to examination by federal and state taxing authorities, generally for three years and four years, respectively, after they are filed. Should the Corporation ever be subject to interest and penalties related to unrecognized tax benefits, they would be classified in general and administrative expenses in the accompanying financial statements. During the years ended December 31, 2024 and 2023, the Corporation did not recognize any interest and penalties.

Raw XML AppendixShowing 400 of 474 raw XML fields

This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.

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IRS990/Form990PartVIISectionAGrp/PersonNm0Adriano Fontana
IRS990/Form990PartVIISectionAGrp/PersonNm1Chris Kochanek
IRS990/Form990PartVIISectionAGrp/PersonNm2Andreas Quirrenbach
IRS990/Form990PartVIISectionAGrp/PersonNm3Roberto Ragazzoni
IRS990/Form990PartVIISectionAGrp/PersonNm4Matthias Steinmetz
IRS990/Form990PartVIISectionAGrp/PersonNm5Evan Kirby
IRS990/Form990PartVIISectionAGrp/PersonNm6Dennis Zaritsky
IRS990/Form990PartVIISectionAGrp/PersonNm7Buell Jannuzi
IRS990/Form990PartVIISectionAGrp/PersonNm8Hans-Walter Rix
IRS990/Form990PartVIISectionAGrp/PersonNm9Susan Olesik
IRS990/Form990PartVIISectionAGrp/PersonNm10Fillippo Zerbi
IRS990/Form990PartVIISectionAGrp/PersonNm11Mathias Voss
IRS990/Form990PartVIISectionAGrp/PersonNm12Elizabeth Green
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt90
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IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt120
IRS990/Form990PartVIISectionAGrp/TitleTxt0Chiarman & President
IRS990/Form990PartVIISectionAGrp/TitleTxt1Vice Chairman
IRS990/Form990PartVIISectionAGrp/TitleTxt2Director
IRS990/Form990PartVIISectionAGrp/TitleTxt3Director
IRS990/Form990PartVIISectionAGrp/TitleTxt4Director
IRS990/Form990PartVIISectionAGrp/TitleTxt5Director
IRS990/Form990PartVIISectionAGrp/TitleTxt6Director
IRS990/Form990PartVIISectionAGrp/TitleTxt7Director & Member Representative
IRS990/Form990PartVIISectionAGrp/TitleTxt8Member Representative
IRS990/Form990PartVIISectionAGrp/TitleTxt9Member Representative
IRS990/Form990PartVIISectionAGrp/TitleTxt10Member Representative
IRS990/Form990PartVIISectionAGrp/TitleTxt11Treasurer
IRS990/Form990PartVIISectionAGrp/TitleTxt12Secretary
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IRS990/FSAuditedInd01
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IRS990/GrantAmt010000
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IRS990/GrantsToDomesticIndividualsGrp/TotalAmt010000
IRS990/GrantsToIndividualsInd01
IRS990/GrantsToOrganizationsInd00
IRS990/GrantToRelatedPersonInd00
IRS990/GrossReceiptsAmt015240683
IRS990/GroupReturnForAffiliatesInd00
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IRS990/InsuranceGrp/TotalAmt03643
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IRS990/MembersOrStockholdersInd01
IRS990/MethodOfAccountingAccrualInd0X
IRS990/MinutesOfCommitteesInd00
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IRS990/MissionDesc0The LBT Corporation's purpose is to maintain and operate a large optical observatory for astronomical research which will expand humanity's knowledge of space from the vicinity of Earth to the edge of the observable universe.
IRS990/MoreThan5000KToIndividualsInd00
IRS990/MoreThan5000KToOrgInd00
IRS990/NetAssetsOrFundBalancesBOYAmt093856666
IRS990/NetAssetsOrFundBalancesEOYAmt087006777
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IRS990/NondeductibleContributionsInd00
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IRS990/OccupancyGrp/TotalAmt01156539
IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt01752
IRS990/OfficeExpensesGrp/ProgramServicesAmt039521
IRS990/OfficeExpensesGrp/TotalAmt041273
IRS990/OfficerMailingAddressInd00
IRS990/OperateHospitalInd00
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IRS990/OtherExpensesGrp/Desc2MGIO Contract Services
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IRS990/OtherExpensesGrp/ManagementAndGeneralAmt02012731
IRS990/OtherExpensesGrp/ProgramServicesAmt07109041
IRS990/OtherExpensesGrp/ProgramServicesAmt11635234
IRS990/OtherExpensesGrp/ProgramServicesAmt2766905
IRS990/OtherExpensesGrp/TotalAmt07109041
IRS990/OtherExpensesGrp/TotalAmt12012731
IRS990/OtherExpensesGrp/TotalAmt21635234
IRS990/OtherExpensesGrp/TotalAmt3766905
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IRS990/OtherLiabilitiesGrp/EOYAmt07284547
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IRS990/OtherRevenueMiscGrp/ExclusionAmt053743
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IRS990/OtherRevenueTotalAmt053743
IRS990/OtherWebsiteInd0X
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IRS990/PayPremiumsPrsnlBnftCntrctInd00
IRS990/PoliticalCampaignActyInd00
IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt073022
IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt084604
IRS990/PrincipalOfficerNm0Adriano Fontana
IRS990/ProfessionalFundraisingInd00
IRS990/ProhibitedTaxShelterTransInd00
IRS990/PYBenefitsPaidToMembersAmt00
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IRS990/PYGrantsAndSimilarPaidAmt010000
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IRS990/PYOtherRevenueAmt0566
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IRS990/PYTotalProfFndrsngExpnsAmt00
IRS990/PYTotalRevenueAmt024120428
IRS990/QuidProQuoContributionsInd00
IRS990/RcvFndsToPayPrsnlBnftCntrctInd00
IRS990/ReconcilationRevenueExpnssAmt0-6849889
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IRS990/RelatedOrganizationCtrlEntInd00
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IRS990/ReportLandBuildingEquipmentInd01
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IRS990/SavingsAndTempCashInvstGrp/EOYAmt01069650
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt015123001
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt024078690
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt012373805
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt011908500
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt012292800
IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt075776796
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt063939
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt013149
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt0318
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt048
IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt041
IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt077495
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearAmt053743
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus1YearAmt0566
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt02153
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt0476
IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt02045
IRS990ScheduleA/OtherIncome170Grp/TotalAmt058983
IRS990ScheduleA/PublicOrganization170Ind0X
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IRS990ScheduleA/PublicSupportPY170Pct00.53230
IRS990ScheduleA/PublicSupportTotal170Amt040638202
IRS990ScheduleA/SubstantialContributorsTotAmt035138594
IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind0X
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt015123001
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt024078690
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt012373805
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt011908500
IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt012292800
IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt075776796
IRS990ScheduleA/TotalSupportAmt075913274
IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorNum0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine10RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine20RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode0RESTRICTED
IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt0RESTRICTED
IRS990/ScheduleBRequiredInd01
IRS990ScheduleD/BuildingsGrp/BookValueAmt040919398
IRS990ScheduleD/BuildingsGrp/DepreciationAmt031612311
IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt072531709
IRS990ScheduleD/EquipmentGrp/BookValueAmt048261342
IRS990ScheduleD/EquipmentGrp/DepreciationAmt065605367
IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt0113866709
IRS990ScheduleD/ExpensesNotReportedAmt00
IRS990ScheduleD/ExpensesNotRptFinclStmtAmt00
IRS990ScheduleD/ExpensesSubtotalAmt022090572
IRS990ScheduleD/FootnoteTextInd0X
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt05000000
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt12207816
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt276731
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc0Asset Retirement Obligation
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc1Due to Related Parties
IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc2Member Prepayment
IRS990ScheduleD/RevenueNotReportedAmt00
IRS990ScheduleD/RevenueNotReportedFinclStmtAmt00
IRS990ScheduleD/RevenueSubtotalAmt015240683
IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt0The Corporation is exempt from income taxes under both Federal Internal Revenue Code ("IRC") Section 501(c)(3) and Arizona income tax laws, and is classified as other than a private foundation under IRC Section 509(a)(1). The Corporation also qualifies for the charitable contribution deduction under IRC Section 170(b)(1)(a). Management has considered its tax positions in accordance with the accounting standard for uncertainty in income taxes and believes that all of the positions taken in its federal and state exempt organization tax returns are more likely than not to be sustained upon examination. Management is not aware of any matters which would cause the Corporation to lose its tax-exempt status. The Corporation's returns are subject to examination by federal and state taxing authorities, generally for three years and four years, respectively, after they are filed. Should the Corporation ever be subject to interest and penalties related to unrecognized tax benefits, they would be classified in general and administrative expenses in the accompanying financial statements. During the years ended December 31, 2024 and 2023, the Corporation did not recognize any interest and penalties.
IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc0Part X, Line 2:
IRS990ScheduleD/TotalBookValueLandBuildingsAmt089180740
IRS990ScheduleD/TotalExpensesPerForm990Amt022090572
IRS990ScheduleD/TotalLiabilityAmt07284547
IRS990ScheduleD/TotalRevenuePerForm990Amt015240683
IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt015240683
IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt022090572
IRS990ScheduleI/GrantRecordsMaintainedInd01
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/CashGrantAmt010000
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt0Eastern Arizona College Foundation Scholarship
IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/RecipientCnt02
IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt0The Large Binocular Telescope Observatory provides scholarship funding to the Eastern Arizona College Foundation to support enrolled members of the San Carlos or White Mountain Apache Tribes at Eastern Arizona College. The Eastern Arizona college admissions office selects eligible students for the scholarship to fund their tuition costs. The Large Binocular Telescope Observatory is notified when each new recipient is selected by the Eastern Arizona College Foundation.
IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc0Part I, Line 2:
IRS990/ScheduleJRequiredInd00
IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/NameOfInterested/BusinessName/BusinessNameLine1Txt0The University of Arizona
IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/RelationshipDescriptionTxt0Founding Member of the Organization (Operations Support Agreement)
IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/SharingOfRevenuesInd00
IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/TransactionAmt09290545
IRS990ScheduleL/BusTrInvolveInterestedPrsnGrp/TransactionDesc0Quarterly payments for salary, equipment and supply charges to UA accounts.
IRS990/ScheduleORequiredInd01
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt0The Organization is supported by members which have agreed to continue to support the telescope program through member contributions proportionate to their membership levels. The members are allocated time for telescope use proportionate to their contributions made through both cash and non-cash payments.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt1Members of the Organization appoint members to the Board of Directors.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt2Amendments of the Articles of Incorporation require unanimous approval of members.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt3Contemporaneous documentation is taken at Governing Body meetings. However, documentation is not taken at Committee meetings.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt4The Business Manager will conduct an initial review of the Form 990. The Finance committee then reviews the Form 990 on behalf of the Board of Directors. Upon approval of the Finance Committee, the Board is notified that the Form 990 is available on-line and the President is authorized to sign the Form 990 for submission to the IRS.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt5The Corporate Secretary distributes annual Conflict of Interest forms to all directors, officers, member representatives, voting members of the Board Finance Committee, members of the Board Scientific Advisory Committee, the Observatory director and business manager. By signing the forms and returning them to the Secretary, these people affirm that they have read and understand the Conflict of Interest policy of the LBT Corporation and have disclosed any possible conflicts. The Secretary reviews the forms for any disclosures and keeps them with the corporate records. Any disclosed conflicts are referred to the Board for their information. Any further action concerning disclosed conflicts or possible conflicts are handled according to the procedures contained in the LBT Corporation Conflict of Interest policy.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt6Only one director receives a fee for service on the Board. That fee was set after review by the independent directors of the Corporation in consultation with the Corporation's audit and tax advisors. It was increased by the Board to $30,000 in April 2024. The first payment was $5,000 based on the previous compensation of $20,000, and the remaining three payments were $7,500 each, totaling $27,500 for 2024. The salary of the Observatory Director, and all other employees, is set by the University of Arizona pursuant to an operational support agreement with the LBT Corporation.
IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt7The governing documents and financial statements are available upon request.
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc0Form 990, Part VI, Section A, line 6
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc1Form 990, Part VI, Section A, line 7a
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc2Form 990, Part VI, Section A, line 7b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc3Form 990, Part VI, Section A, line 8b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc4Form 990, Part VI, Section B, line 11b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc5Form 990, Part VI, Section B, line 12c
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc6Form 990, Part VI, Section B, line 15b
IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc7Form 990, Part VI, Section C, line 19
IRS990/SchoolOperatingInd00
IRS990/SignificantChangeInd00
IRS990/SignificantNewProgramSrvcInd00
IRS990/SubjectToExcsTaxNetInvstIncInd00
IRS990/SubjectToProxyTaxInd00
IRS990/SubjToTaxRmnrtnExPrchtPymtInd00

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