Lowell Observatory FY2021 filing

Tax-deductible

Flagstaff, AZ501(c)(3)Since 1946Science & TechnologyEIN 86-0098918Revenue $22.8M in FY2021

On file with the IRSlowell.edu1400 W Mars Hill Rd, 86001-4470 · Flagstaff, AZTax-exempt since May 1947Publicly supported charity — 170(b)(1)(A)(vi)

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The mission of Lowell Observatory is to pursue the study of astronomy, especially the study of our solar system and its evolution; to conduct pure research in astronomical phenomena; and to maintain quality public education and outreach programs to bring the results of astronomical research to the public.

501(c)(3) charity; gifts are tax-deductible.
80¢ of each $1 spent went to programs.
$1.1M paid to officers and key staff.
Mission: Form 990 Part I, line 1 · Status: IRS Pub. 78 · Programs: Part IX · Pay: Part VII

Before you give

FY2021 · Form 990Independent: from IRS data, not the org
Download 990
IRS status
501(c)(3)
not on the IRS revocation list
Looks good: listed by the IRS and not on the revocation list.
IRS BMF · Auto-Revocation List
Tax-deductible gifts
Yes
Donations are tax-deductible
Looks good: the IRS lists gifts to it as deductible.
IRS Pub. 78 · IRS BMF
Latest return
FY2025
latest Form 990
Looks good: the latest return is for FY2025, 1 tax year back; within 2 tax years.
IRS e-file · Filing history
Surplus or deficit
4 of 6
filings with a surplus
Average surplus $259K a year · 1% of revenue · last 6 filings
Fine: a surplus in 4 of the last 6 filings.
Pt I · Ln 19 · 6 filings
Spent on programs
80%
of spending
Looks good: 80% of spending went to programs; 75% or more.
Pt IX · Ln 25 · col B
Pay to officers and key staff
$1.1M
to officers and key staff · 7% of spending
Looks good: pay to officers and key staff is 7% of spending; 15% or less.
Pt VII · Sec A
Cash reserves
2 mo
of spending, in cash
Fine: 2.1 months of spending in cash; 1 to 3.
Pt X · Ln 1–2 · Pt I · Ln 18
Named funders
4
named funders · $5.8M
Looks good: 4 funders name it on their filings; 3 or more.
Funders’ Sch. I, 990-PF
Liabilities
$25.5M
33% of total assets
Looks good: liabilities are 33% of assets; 50% or less.
Pt X · Ln 26
Independent board members
0
of 1 voting members
Concern: none of 1 voting members are independent.
Pt VI · Ln 1a–1b
Looks goodFineWorth a lookConcernNo data yetTap a box for the reason.
Revenue
$22.8M
+41% vs prior year
Spent
$16.1M
To programs
80%
Net assets
$52.9M
By yearFY2020–FY2025
Revenue
$22.8M
FY2021▲ +41%
Tap a bar for its year
Revenue by fiscal year
FY2020$16.1M
FY2021$22.8M
FY2022$20.0M
FY2023$20.2M
FY2024$11.9M
FY2025$19.6M
Expenses
$16.1M
FY2021▲ +19%
Tap a bar for its year
Expenses by fiscal year
FY2020$13.5M
FY2021$16.1M
FY2022$19.2M
FY2023$18.6M
FY2024$19.5M
FY2025$22.2M
Net assets
$52.9M
FY2021▲ +13%
Tap a bar for its year
Net assets by fiscal year
FY2020$46.9M
FY2021$52.9M
FY2022$55.6M
FY2023$56.4M
FY2024$48.8M
FY2025$45.9M

From the FY2021 Form 990 · figures checked against the IRS filing · see the original

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You’re viewing the FY2021 filing — not the latest on file. See the latest (FY2025) →

Is it real?

Yes. Never revoked by the IRS. Latest filing on record: FY2025. IRS ruling in May 1947.

IRS Pub. 78 · IRS Auto-Revocation List · IRS Business Master File

Where the money goes

80 cents of each dollar spent went to programs.

Program services 80% · $12.9M Management & general 12% · $1.9M Fundraising 8% · $1.2M

Form 990 Part IX, line 25, columns B–D. Every line is in By the numbers.

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Who runs it and what they're paid

8 people listed on the 990; $1.1M paid to officers and key staff.

Part VII, Section A · reportable compensation
Director
$165,023Pt VII · Sec A
Astronomer
$161,788Pt VII · Sec A
Director for Science
$157,143Pt VII · Sec A
Chief Philanthropy Officer
$156,233Pt VII · Sec A
Astronomer
$153,518Pt VII · Sec A
Astronomer
$153,021Pt VII · Sec A
Chief Financial Officer
$148,969Pt VII · Sec A
Trustee - Sole
$279Pt VII · Sec A

Amanda Bosh’s $207K as Executive Director/COO is at the 12th percentile of top reported officer pay among 139 $10–100M science & technology nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.

Compensation history total reportable pay by year · 8 named individuals · Part VII

NameFY2025FY2024FY2023FY2022FY2021FY2020
Amanda Bosh$206,898—————
Hall Jeffrey—$201,538$200,833$189,691$165,023$163,080
Leslie Currie$190,704—————
Currie Leslie—$188,531————
Massey Philip—$184,820$178,598$171,961$161,788$159,097
Stephen Levine$184,546—————
Keller Christoph——$169,086$183,459——
Bosh Amanda—$182,918$161,680$151,518——

Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

See Lowell Observatory executive salaries →

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Questions the 990 asks

The form asks each of these directly. These are the filed answers.

  • Family or business ties among officersPt VI · Ln 2No
  • Top official's pay set by an independent reviewPt VI · Ln 15aYes

Programs and updates

Studies astronomy to expand understanding of the universe.

Provided by the organization

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2 programs · $12.9M · in their own filed words · FY2021
01

Continuing a more than 125-YEAR-LONG legacy of astronomical discovery, lowell observatory astronomers, planetary scientists, and other researchers conducted forefront research in many areas of astronomy - from the sun and solar system to exoplanets, stars, galaxies, and cosmology.

$10.3Mprogram expense
02

Lowell observatory developed a phased reopening plan based on CDC guidelines in response to the coronavirus pandemic. Public programs moved seamlessly through all three phases of this plan in 2021, transitioning from phase 1 to phase 2 in april and from phase 2 to phase 3 in november.

$2.7Mprogram expense

Funders

Who pays for it.

From grant filings on record. Receipts are incomplete: individual donors are never listed.

Grants

Schedule I · received and paid
Grants received · FY2025
Total grants receivedfrom 4 funders$5.8M
See all 4 funders →
Grants paid · 37 grants · $3.2M · 2020–2025
Northern Arizona UniversityFY2025$111,531
Planetary Science InstituteAZ · FY2025$67,405
Seti InstituteCA · FY2025$24,465
University of Maryland - College ParkFY2025$14,999
Northern Arizona UniversityFY2024$94,935
University of Maryland - College ParkFY2024$46,723
Northern Arizona UniversityFY2024$17,752
Planetary Science InstituteAZ · FY2024$15,741
Northern Arizona UniversityFY2023$222,547
Arizona State UniversityFY2023$68,822
Planetary Science InstituteAZ · FY2023$65,574
University of Central FloridaFY2023$36,239
University of Maryland - College ParkFY2023$28,906
University of PittsburghPA · FY2023$11,776
Northern Arizona UniversityFY2022$328,074
Arizona State UniversityFY2022$72,817
Planetary Science InstituteAZ · FY2022$49,906
See all 37 grants →

By the numbers

The FY2021 990, line by line.

1The main four
Money inPt VIII
$22.8M
Ln 12
Gifts and grantsLn 1h$16.7M
Fees for servicesLn 2g$4.8M
Investment incomeLn 3$845K
Money outPt IX
$16.1M
Ln 25
Programscol B$12.9M
Managementcol C$1.9M
Fundraisingcol D$1.2M
Owns and owesPt X
$52.9M
net assets · Ln 32
Cash and savingsLn 1–2$2.8M
Total assetsLn 16$78.4M
LiabilitiesLn 26$25.5M
PeoplePt VI, VII
8
listed · VII A
PaidVII A8
Voting boardVI 1a1
IndependentVI 1b0
2In more detail
Revenue in detailPt VIII
Gifts and grantsLn 1h$16.7M
Government grantsLn 1e$4.0M
Noncash giftsLn 1g$860K
Fees for servicesLn 2g$4.8M
Investment incomeLn 3$845K
Other incomeLn 4–11$441K
Gains on assetsLn 7$831K
Total revenueLn 12$22.8M
Assets in detailPt X, end of year
CashLn 1$746K
SavingsLn 2$2.0M
Cash and savings togetherLn 1–2$2.8M
InvestmentsLn 11–13$9.6M
Land, buildings, equipmentLn 10c$49.8M
Other assetsLn 15$440K
Total assetsLn 16$78.4M
LiabilitiesLn 26$25.5M
Net assetsLn 32$52.9M
OperationsPt I, VI
EmployeesI 5183
VolunteersI 691
Fiscal year endsHeaderDecember
Conflict-of-interest policyVI 12aYes
Whistleblower policyVI 13Yes
Records policyVI 14Yes
3Year over year
Balance sheet, start vs end of yearPt X · col A, B
LineStart FY21End FY21
Cash and savingsLn 1–2$1.5M$2.8M
InvestmentsLn 11–13$5.3M$9.6M
Land, buildings, equipmentLn 10c$47.6M$49.8M
Total assetsLn 16$70.1M$78.4M
LiabilitiesLn 26$23.2M$25.5M
Net assetsLn 32$46.9M$52.9M
4Every line
Statement of functional expensesPt IX · every line
LineTotalProgramsManagementFundraising
Grants to domestic organizationsLn 1$1.2M$1.2M
Pay of current officers, directors and key staffLn 5$360K$22K$310K$27K
Other salaries and wagesLn 7$7.0M$5.6M$746K$732K
Pension plan contributionsLn 8$309K$244K$34K$31K
Other employee benefitsLn 9$664K$519K$78K$67K
Payroll taxesLn 10$518K$389K$78K$51K
Legal feesLn 11b$54K$14K$40K
Accounting feesLn 11c$59K$59K
Investment management feesLn 11f$4K$4K
Other fees for servicesLn 11g$815K$566K$211K$37K
Advertising and promotionLn 12$56K$45K$11K
Office expensesLn 13$392K$255K$44K$93K
Information technologyLn 14$270K$131K$63K$76K
OccupancyLn 16$725K$654K$59K$13K
TravelLn 17$80K$29K$14K$37K
Conferences, conventions and meetingsLn 19$57K$10K$12K$34K
InterestLn 20$88K$67K$21K
Depreciation, depletion and amortizationLn 22$2.1M$2.1M$44K$17K
InsuranceLn 23$807K$795K$10K$2K
Other expenses (24a–d)Ln 24$433K$354K$72K$7K
All other expensesLn 24e$38K$25K$1K$12K
Total functional expensesLn 25$16.1M$12.9M$1.9M$1.2M

Filing history

YearMoney inMoney outIn minus outNet assetsDownload
FY2025 Latest $19.6M$22.2M−$2.7M$45.9M 990 PDF
FY2024 $11.9M$19.5M−$7.5M$48.8M 990 PDF
FY2023 $20.2M$18.6M$1.5M$56.4M 990 PDF
FY2022 $20.0M$19.2M$847K$55.6M 990 PDF
FY2021 Viewing $22.8M$16.1M$6.7M$52.9M 990 PDF
FY2020 $16.1M$13.5M$2.7M$46.9M 990 PDF

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Schedules filed Part IV

III · Programs I · Grants R · Related orgs G · Fundraising L · Interested persons A · Public support F · Foreign M · Noncash
See the full FY2021 990 (6 parts)
Part I · Summary $22,823,113 revenue, 12 lines filed
I-8 Contributions and grantsPrior year $12,195,142$16,708,119
I-9 Program service revenuePrior year $3,641,276$4,829,399
I-10 Investment incomePrior year $99,359$844,836
I-11 Other revenuePrior year $197,731$440,759
I-12 Total revenuePrior year $16,133,508$22,823,113
I-13 Grants and similar amounts paidPrior year $656,951$1,162,998
I-14 Benefits paid to membersPrior year $0$0
I-15 Salaries and benefitsPrior year $8,017,672$8,888,610
I-16a Professional fundraising feesPrior year $0$0
I-17 Other expensesPrior year $4,804,192$6,023,053
I-18 Total expensesPrior year $13,478,815$16,074,661
I-19 Revenue less expensesPrior year $2,654,693$6,748,452
Part VI · Governance 0 of 1 board members independent, no flags
VI-1a Voting members of the governing body1
VI-1b Independent voting members0
VI-2 Family or business relationship among officers or directorsNo
VI-12a Written conflict of interest policyYes
VI-13 Written whistleblower policyYes
VI-14 Document retention and destruction policyYes
VI-15a Process for setting top official's payYes
Part VIII · Statement of revenue $22,823,113 across 11 lines filed
Lines not itemized here account for $158,046 of total revenue; see the IRS return.
VIII-1b Membership dues$234,483
VIII-1d Related organizations$354,895
VIII-1e Government grants$3,998,800
VIII-1f All other contributions, gifts and grants$12,119,941
VIII-1g Noncash contributions (included above)$859,886
VIII-1h Total contributions, gifts and grants$16,708,119
VIII-2a-f Program service revenue, itemized rows (sum of 2a–2f as filed)Related to mission $4,829,399$4,829,399
VIII-3 Investment incomeExcluded from tax $14,004$14,004
VIII-7 Net gain or loss on sales of assetsExcluded from tax $830,832$830,832
VIII-11a-d Other revenue, itemized rows (sum of 11a–11d as filed)Related to mission $282,713$282,713
VIII-12 Total revenueRelated to mission $5,270,158 · Unrelated business $0 · Excluded from tax $844,836$22,823,113
Part IX · Statement of functional expenses $16,074,661 across 21 lines filed
IX-1 Grants to domestic organizationsPrograms $1,162,998$1,162,998
IX-5 Pay of current officers, directors and key staffPrograms $22,380 · Management $310,116 · Fundraising $27,115$359,611
IX-7 Other salaries and wagesPrograms $5,560,443 · Management $746,164 · Fundraising $731,662$7,038,269
IX-8 Pension plan contributionsPrograms $243,555 · Management $34,267 · Fundraising $30,800$308,622
IX-9 Other employee benefitsPrograms $519,076 · Management $78,150 · Fundraising $66,920$664,146
IX-10 Payroll taxesPrograms $389,169 · Management $77,649 · Fundraising $51,144$517,962
IX-11b Legal feesPrograms $14,088 · Management $39,753$53,841
IX-11c Accounting feesManagement $58,535$58,535
IX-11f Investment management feesManagement $4,216$4,216
IX-11g Other fees for servicesPrograms $566,299 · Management $211,433 · Fundraising $36,798$814,530
IX-12 Advertising and promotionPrograms $44,684 · Fundraising $11,328$56,012
IX-13 Office expensesPrograms $254,927 · Management $43,523 · Fundraising $93,249$391,699
IX-14 Information technologyPrograms $130,570 · Management $63,411 · Fundraising $75,636$269,617
IX-16 OccupancyPrograms $653,879 · Management $58,755 · Fundraising $12,526$725,160
IX-17 TravelPrograms $29,284 · Management $13,594 · Fundraising $36,858$79,736
IX-19 Conferences, conventions and meetingsPrograms $10,430 · Management $12,114 · Fundraising $34,224$56,768
IX-20 InterestPrograms $67,352 · Management $20,660$88,012
IX-22 Depreciation, depletion and amortizationPrograms $2,085,406 · Management $44,016 · Fundraising $16,591$2,146,013
IX-23 InsurancePrograms $795,378 · Management $9,686 · Fundraising $2,374$807,438
IX-24 Other expenses (24a–d)Programs $354,108 · Management $71,725 · Fundraising $7,451$433,284
IX-24e All other expensesPrograms $24,548 · Management $1,453 · Fundraising $12,191$38,192
IX-25 Total functional expensesPrograms $12,928,574 · Management $1,899,220 · Fundraising $1,246,867$16,074,661
Part X · Balance sheet $78,377,713 assets, 19 lines filed
X-1 Cash, non-interest-bearingStart of year $421,749$745,834
X-2 Savings and temporary cash investmentsStart of year $1,073,017$2,040,168
X-3 Pledges and grants receivableStart of year $14,682,096$14,701,016
X-4 Accounts receivableStart of year $14,405$181,973
X-8 Inventories for sale or useStart of year $125,635$93,258
X-9 Prepaid expenses and deferred chargesStart of year $312,433$416,687
X-10c Land, buildings and equipment, netStart of year $47,612,883$49,803,548
X-11 Publicly traded securitiesStart of year $5,297,362$9,610,716
X-14 Intangible assetsStart of year $52,300$344,555
X-15 Other assetsStart of year $508,668$439,958
X-16 Total assetsStart of year $70,100,548$78,377,713
X-17 Accounts payable and accrued expensesStart of year $352,354$781,238
X-19 Deferred revenueStart of year $7,455,529$6,649,176
X-25 Other liabilitiesStart of year $13,031,666$12,052,466
X-26 Total liabilitiesStart of year $23,190,520$25,508,851
X-27 Net assets without donor restrictionsStart of year $25,930,729$27,038,021
X-28 Net assets with donor restrictionsStart of year $20,979,299$25,830,841
X-32 Total net assets or fund balancesStart of year $46,910,028$52,868,862
X-33 Total liabilities and net assetsStart of year $70,100,548$78,377,713
Part XI · Reconciliation of net assets $52,868,862 net assets at year end
XI-1 Total revenue$22,823,113
XI-2 Total expenses$16,074,661
XI-3 Revenue less expenses$6,748,452
XI-4 Net assets at start of year$46,910,028
XI-5 Net unrealized gains (losses) on investments−$789,618
XI-9 Other changes in net assets$0
XI-10 Net assets at end of year$52,868,862

Form 990 e-file (XML) FY2021 from the IRS · Classification, formation year and address from the IRS Business Master File

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