Observatorio Astronómico Calar Alto

Name

Observatorio Astronómico Calar Alto

Legal name

CENTRO ASTRONOMICO HISPANO EN ANDALUCIA, A.I.E.

Website

https://caha.es

Company type

Private

Founded year

1973

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Astronomical Observatory Services

NAICS

Space Research and Technology (92711)

SIC

Optical Instruments & Lenses (3827), Laboratory Analytical Instruments (3826)

akta.pro primary industry

Space Payloads & Instruments (Sensors, Comms, EO/IR) (IMABACAD)

Keywords

• Astronomical observatory services
• Telescope observing time
• Astronomical instrumentation
• Exoplanet research
• Public science outreach

Headquarters

HQ city

Gérgal

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Infrastructure, Technology or R&D, Operations, Others

Revenue model

1. Observing Time Allocation: The observatory allocates telescope observing time to research astronomers through competitive proposal processes. As a publicly funded research infrastructure (ICTS), it primarily serves the scientific community rather than generating commercial revenue.
2. Public Visits and Outreach: Revenue from guided public visits to the observatory conducted by Azimuth, educación y turismo científico since March 2016.
3. Technical Services: Services including mirror aluminising and technical support for visiting researchers and instrumentation projects.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Observatorio Astronómico Calar Alto (CAHA) operates five optical and infrared telescopes — including the 3.5m telescope, the largest on the European continent — and provides observing time, instruments (e.g., CARMENES, TARSIS, PANIC, CAFE, PMAS), and supporting technical services to professional astronomers worldwide. The facility is operated as a Spanish ICTS (Singular Scientific and Technical Infrastructure) and also delivers public outreach via guided tours and open data archives.

Product overview

The Calar Alto Observatory operates as a multi-telescope astronomical facility with five telescopes of varying apertures (3.5m, 2.2m, 1.23m, and smaller), offering both visitor and service mode observation capabilities. The observatory's instrument suite includes spectrographs (CARMENES, CARMENES+, CAFE, PMAS, TARSIS) and cameras (PANIC), supporting research in exoplanets, star formation, galactic structure, and cosmology. Active legacy programs (CAVITY, KOBE, CARMENES Legacy+) continue scientific investigations. The facility provides supporting services including mirror aluminising, public data archives, weather monitoring, and public visitor tours. Founded in 1973 through a German-Spanish agreement, it is jointly operated by the Institute of Astrophysics of Andalusia (CSIC) and the Andalusian Government since 2019.

Differentiator

Problem solved

Functional benefit

Products and services

• 3.5m Telescope Observing Time Allocation of observing time on the 3.5m telescope — the largest optical telescope on the European continent (240 tons) — to professional astronomers via competitive Call for Proposals. Supports cutting-edge research in exoplanets, star formation, galactic structure, and cosmology.
• 2.2m Telescope Observing Time

Quantifiable outcome

• Largest 3D atlas of galaxies in cosmic voids published by CAVITY project
• +1 more outcomes

Named customers1 record

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Institute of Astrophysics of Andalusia - CSICcoreStrategic or Co-development Partner · 1 January 2019Joint operation of the Calar Alto Observatory since 2019. CSIC's Institute of Astrophysics of Andalusia provides scientific leadership and research oversight for the facility.
• Andalusian Government (Junta de Andalucía)coreStrategic or Co-development Partner · 1 January 2019Joint operation of the Calar Alto Observatory since 2019. The regional government provides institutional support and funding for the observatory.
• Azimuth, educación y turismo científicominorChannel Partner/ Reseller/ Distributor · 1 January 2016External company conducting public visits to the observatory since March 2016. Handles booking and tour operations.
• German Government (historical founding partner)coreStrategic or Co-development Partner · 1 January 1973Co-founded in 1973 under a German-Spanish government agreement. Originally operated as Centro Astronómico Hispano-Alemán (CAHA).

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Regional players

• Pic du Midi Observatory: French optical/IR observatory at 2,877m in the Pyrenees, operating 1m and 2m-class telescopes for European researchers. Comparable as a mid-sized European optical observatory at high altitude with mixed research and outreach functions.
• Calar Alto's co-located operations share characteristics with Observatorio de Sierra Nevada: Spanish optical observatory operated by IAA-CSIC (same parent institution as Calar Alto) located in mainland Spain. Compares as a smaller-tier Spanish observatory with shared institutional governance and outreach mission.

Broad incumbents

• La Silla Observatory (ESO): ESO's original optical observatory in Chile operating 3.6m, NTT, and 3.9m VLT-class telescopes. Comparable as a multi-telescope European optical observatory at a high-altitude desert site with international research community access.
• European Southern Observatory (ESO): Intergovernmental organization operating La Silla, Paranal, APEX, ALMA, and ELT observatories. The dominant European optical/IR research infrastructure operator; Calar Alto operates as a national Spanish facility within the broader ESO ecosystem.
• National Astronomical Observatory of Japan (NAOJ): Operates Subaru Telescope on Mauna Kea and Japanese domestic optical/IR facilities. Comparable as a national astronomical observatory operating premier optical/IR facilities with international proposal allocation and government-funded instrument development.

Direct peers

• Teide Observatory: Operated by the Instituto de Astrofísica de Canarias (sibling institution to Calar Alto's IAA-CSIC operator), housing solar and night-time telescopes. Directly comparable as a Spanish optical observatory with international telescope time allocation.
• Mauna Kea Observatories: Multi-tenant international observatory complex on Mauna Kea, Hawaii at 4,200m, hosting Keck, Subaru, Gemini, CFHT and others. Comparable as a premier astronomical seeing site with multiple international telescopes allocating time competitively.
• Roque de los Muchachos Observatory (ORM): Spain's other flagship optical observatory on La Palma, Canary Islands. Operates the 10.4m GTC and multiple international telescope facilities; directly comparable as a national optical/IR observatory serving the international research community via competitive proposal allocation.
• Cerro Tololo Inter-American Observatory (CTIO): NSF's NOIRLab optical observatory complex in Chile hosting the 4m Blanco Telescope (DECam) and SOAR. Comparable as a 4m-class optical observatory at a premier southern-hemisphere site with international proposal-based access.
• Isaac Newton Group (ING): Co-located with ORM on La Palma, operating the 4.2m WHT, 2.5m INT, and 1.0m JKT telescopes. Comparable as a multi-telescope optical observatory allocating time competitively to European research institutions.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/sharer.php
• LinkedInlinkedin.com/company/observatorio-astron%C3%B3mico-calar-alto

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Observatorio Astronómico Calar Alto