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Astronomsko Društvo "Leo Brenner"

organizes popular and scientific lectures, courses, workshops and seminars, organises extracurricular activities for children and young people, organises regular meetings of members to learn about astronomical content and …

Mali Lošinj, Primorje-Gorski Kotar County Reg: 87515871709 (Register of Associations) Sign up to see website
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47
Integrity Assessment
Partial transparency
47/100 · methodology

About Astronomsko Društvo "Leo Brenner"

No organisational description on file yet. The metadata below comes directly from the official registry.

Headquarters
Mali Lošinj, Primorje-Gorski Kotar County
Foundation type
Association (Udruga)

Mission

organizes popular and scientific lectures, courses, workshops and seminars, organises extracurricular activities for children and young people, organises regular meetings of members to learn about astronomical content and innovation from astronomy and related sciences, forms sequentials for the narrow areas of interest and action of members, organises astronomical observations as a basic form of dealing with astronomy, works to learn, develop and improve procedures and methods for astronomical observations and their processing, develops astronomical instruments, accessories and other materials necessary for the conduct of astronomical observations and their processing, cooperates with related associations in the country and the world and institutions with the fields of science, education, culture and technical culture.

organizira popularno-znanstvena predavanja, tečajeve, radionice i seminare, organizira izvannastavne aktivnosti za djecu i mlade, organizira redovite susrete članova radi upoznavanja sa astronomskim sadržajima te novostima iz astronomije i srodnih znanosti, formira sekvije za uža područja interesa i djelovanja članova,, organizira astronomska opažanja kao temeljni oblik bavljenja astronomijom, radi na upoznavanju, razvijanju i usavršavanju postupaka i metoda za astronomska opažanja i njihovu obradu, izrađuje astronomske instrumente, pribor i ostale materijale potrebn za vršenje astronomskih opažanja i njihovu obradu, surađuje sa srodnim udrugama u zemlji i svijetu te ustanovama s područka znanosti, školstva, kulture i tehničke kulture.

Translated from Croatian by GiveRadar.

Focus areas & reach

· What they work on and where

How it stacks up against peers

· vs. 8 similar science & technology in Croatia
Integrity Assessment This charity: 47
Peer average: 48

Concerns

· None found
No red flags found
Screened for Ministry of Justice deregistration, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

GiveRadar's verified records show Astronomsko Društvo "Leo Brenner" with a partial profile.

  • It has more complete contact information than 87% of similar organizations, with a verified website, email and address on record. See national comparisons
  • GiveRadar has not yet verified financial records for this organization, nor for any science & technology charities in Croatia - a gap in GiveRadar's dataset for the region, not a feature of this charity. Explore Croatia data
  • GiveRadar holds a more complete profile for this organization than for 87% of the 266 science & technology charities in Croatia it tracks, because GiveRadar has verified its registration and its contact details. View this cohort
GiveRadar has verified
  • government registration
  • a website
  • a contact email
Not yet verified by GiveRadar
  • financial records
  • leadership details
  • a donation page
  • third-party accreditation

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Astronomsko Društvo "Leo Brenner" is a registered science & technology nonprofit based in Mali Lošinj, Primorje-Gorski Kotar County, Croatia. It is registered with the Croatian Register of Associations (Registar udruga). Its registration number is 87515871709. GiveRadar's Integrity Assessment for the organization is 47/100, which reflects how much public information is available, not whether the charity is legitimate.

Astronomsko Društvo "Leo Brenner"'s official registration number is 87515871709, as recorded in the national registry of Croatia.

Astronomsko Društvo "Leo Brenner" has a GiveRadar Integrity Assessment of 47/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 47 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. For comparison, the average integrity assessment for science & technology charities in Croatia is 48/100.

Astronomsko Društvo "Leo Brenner" is located in Mali Lošinj, Primorje-Gorski Kotar County, Croatia. Its registered address is Zagrebačka 2.

Astronomsko Društvo "Leo Brenner" is classified as a Science & Technology organization, registered in Croatia. It operates as an Udruga.

According to GiveRadar's records, Astronomsko Društvo "Leo Brenner" is registered with the Croatian Register of Associations (Registar udruga) and overseen by the Ministry of Justice and Public Administration. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.

organizes popular and scientific lectures, courses, workshops and seminars, organises extracurricular activities for children and young people, organises regular meetings of members to learn about astronomical content and innovation from astronomy and related sciences, forms sequentials for the narrow areas of interest and action of members, organises astronomical observations as a basic form of dealing with astronomy, works to learn, develop and improve procedures and methods for astronomical observations and their processing, develops astronomical instruments, accessories and other materials necessary for the conduct of astronomical observations and their processing, cooperates with related associations in the country and the world and institutions with the fields of science, education, culture and technical... Astronomsko Društvo "Leo Brenner" is classified as a science & technology organization registered in Croatia.

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of Croatia under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Still gathering leadership data

We check government filings and charity disclosures quarterly. If you represent this charity, claim this page to add officers directly.

Latest news

From global news sources

No recent news coverage found

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Cause areas in Croatia

How many charities work in each area, with this charity's area highlighted.

Sports & Recreation 12,442
Arts & Culture 4,875
Disaster Relief 2,104
Youth Development 1,070
Health 854
Social Services 653
Environment 562
Human Services 547
Science & Technology this charity 266
See all cause areas in Croatia

Most common causes in Croatia

Causes charities work on most.

Arts & Culture 4,875
Disaster Relief 2,104
Community Development 1,619
Youth Development 1,070
Health 867
Disability 680
Veterans 576
Environment 562

Sources and verification

Registration and legal identity
Republic of Croatia - Public Administration Portal

Data freshness

Last updated
Jun 21, 2026
Registry checked
Jun 21, 2026
Profile completeness
25%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 5
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
Not available · 6
  • Financial data
    No annual financial filings on file
  • Named leadership
    Board and officer list not yet indexed
  • Executive pay
    Top-officer pay not disclosed
  • Programs & activities
    No named programs listed by the charity
  • Tax-deductibility
    Not verified
  • Founding date
    Year founded not on file

Methodology

GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Astronomsko Društvo "Leo Brenner"

What is Astronomsko Društvo "Leo Brenner"?
Astronomsko Društvo "Leo Brenner" is a science & technology association based in Mali Lošinj, Croatia. organizes popular and scientific lectures, courses, workshops and seminars, organises extracurricular activities for children and young people, organises regular meetings of members to learn about astronomical content and innovation from astronomy and related sciences, forms sequentials for the narrow areas of interest and action of members, organises astronomical observations as a basic form of dealing with astronomy, works to learn, develop and improve procedures and methods for astronomical observations and their processing, develops astronomical instruments, accessories and other materials necessary for the conduct of astronomical observations and their processing, cooperates with related associations in the country and the world and institutions with the fields of science, education, culture and technical culture.
Where is Astronomsko Društvo "Leo Brenner" located?
Headquartered in Mali Lošinj, Primorje-Gorski Kotar County, Croatia.
Is Astronomsko Društvo "Leo Brenner" trustworthy?
Astronomsko Društvo "Leo Brenner" has a GiveRadar Integrity Assessment of 47 out of 100 (Partial transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Astronomsko Društvo "Leo Brenner"'s registration number?
Registration: 87515871709 (Croatia).
What is Astronomsko Društvo "Leo Brenner"'s website?
https://lošinj.hr
Are donations to Astronomsko Društvo "Leo Brenner" tax-deductible?
Donations may be tax-deductible for residents of Croatia under local rules. US donors should check whether the charity has an equivalency-determination letter or a US-based fiscal sponsor before claiming a deduction.