• Educational Activities for Students

    The educational program for children at Thissio Visitor Center

  • Doridis Telescope

    Doridis Telescope

  • WMO certificate
  • ttod_photo01
  • August

    August 2017 | Photo: Theofanis Matsopoulos


    Julius Schmidt, CHARTE DES GEBIRGE DES MONDES, 1878, ΝΟΑ Library

  • simonvouet English2

    Simon Vouet (1590 - 1649), The Muses Urania and Calliope (1634)

    National Gallery of Art, USA

  • Τηλεσκόπιο Αρίσταρχος English

    Aristarchos Telescope, Helmos Observatory

  • Helmos National Geographic English

    Helmos Observatory, Photography: Harry Katzjaeger
    Source: "Top Shots," National Geographic, June 2012

  • Eskimo Nebula NGC2392 English

    Eskimo Nebula (NGC2392), Aristarchos Telescope, Observer: Dr. Ioannis Alikakos (NOA)

    Digital Image Processing: Theofanis Matsopoulos.

  • Μουσείο Γεωαστροφυσικής English

    Geoastrophysics Museum, Thissio

  • Εκπαίδευση στο ΕΑΑ English

    Summer School in Astrophysics

  • Τηλεπισκόπηση-Γή English

    Remote Sensing & Earth Observation

  • Greece from ISS English

    Greece from the International Space Station

    Photography: Paolo Nespoli, ESA astronaut

  • 3D Sun English

    3D Image of the Sun from the Solar Dynamics Observatory (SDO) mission of NASA.

    Source: NASA's Solar Dynamics Observatory

  • Helicorder English

    Analogue seismograph recorder

  • Geothermal English
  • Παλιρροιογραφος English

    Tide-gauge of the Instittute of Geodynamics at Vlyhada, Santorini.

  • Πειραμα Ulusses English
    Recovered  Ocean Bottom Seismometers on board of research vessel in the frame of the ULYSSES scientific program
  • Meteo historic archive english

    The historic archive of NOA/IERSD with recordings of climatic observations dated from the mid-19th century is one of the oldesr sources of climatic information for Eastern Medirranean.

  • Meteo time-series graph English

    The evolution of the average annual temperature in Athens from the mid-19th century until today, according to the records of the historic station NOA/IERSD (Hill Nymphs Thission).

  • Researchers Night 2014

    Pnyx Hill: Citizens observe the night sky through telescopes of NOA

    Researchers Night 2014

  • Researchers Night 2014

    Pnyx Hill: Citizens observe the night sky through telescopes of NOA

    Researchers Night 2014

News Archive

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ESA/Hubble Releases the Hubble Catalog of Variables


ESA/Hubble is pleased to announce the release of the Hubble Catalog of Variables (HCV), the first full, homogeneous catalogue of variable sources based on archival HST data. The HCV was developed over four years by a team of astronomers at the National Observatory of Athens, led by Alceste Bonanos and...

ESA extends the NELIOTA project to 2021


We are happy to announce the extension of the NELIOTA project to January 2021. Given the successful operation of the project and the detection of 55 lunar impact flashes to date, ESA has decided to continue the project by funding 24 additional months of lunar monitoring observations with the Kryoneri telescope in...

ALTER Team Conducts First Site Visits in Armenia


ALTER Team members gathered in Yerevan, Armenia from June 18th to 22nd to meet with in country stakeholders and visit the three project target areas. The team first traveled to the southern Armenian region of Syunik to visit the cities of Kapan and Kajaran located in Project Area 3. They...

Master of Science 'Cultural Heritage Materials and Technologies'


Studies on the interdisciplinary field of Cultural Heritage and Science/Technology offer the great potential of a modern and balanced educational syllabus; they also produce an ideal platform for holistic approaches that are guaranteed by the creative mixing of up-to-date methodologies with archaeological science, archaeometry and cultural heritage technologies. CultTech operates within...

NOA co-organizes the “European Lidar Conference”, 03-05 July 2018, Thessaloniki, Greece


AUTH, ΝΟΑ, INOE and CNR organize the first European Lidar Conference (ELC) in Thessaloniki on July 2018. ELC is designed to be a flexible, affordable and friendly conference, aiming to gather European lidar researchers to foster discussions and debates on open issues related to lidar science and technologies. The conference...

Participation of the National Observatory of Athens in the preparatory phase of the European Solar Telescope


PRESS RELEASE Τhe European Solar Telescope (EST), is a revolutionary 4-metre aperture telescope designed to investigate our active Sun at unprecedented temporal and spatial resolution. Equipped with state-of-the-art instrumentation, it will help scientists understand the magnetic coupling of the solar atmosphere. EST will be installed in the Canary Islands (Spain) to...

Research results of IAASARS/NOA published in Nature Astronomy


Kiril Sokolovsky, who until recently was a post-doctoral researcher at IAASARS/NOA was involved in a very interesting paper that was published yesterday in Nature Astronomy. Kiril Sokolovsy  has contributed for several years to the successful preparation of the Hubble Catalogue of Variables project. The title of the paper is "A wide and collimated...

A new research article on surface solar radiation trends in Athens by IERSD/NOA researchers


The National Observatory of Athens is the first research Institution created in Greece (1842). Atmospheric measurements at the Athens center (Thission station) have been performed since the late 19th century and the station has been recognized by the World Meteorological Organization among other 60 centennial stations worldwide, for its uninterrupted...

PRESS RELEASE - ALTER project Kick Off meeting


In Athens, 12th & 13th of February 2018, ALTER project Kick Off meeting took place in the premises of the Geodynamic Institute of National Observatory of Athens. The project is co-financed by the European Commission - DG Humanitarian Aid and Civil Protection. The Alliance for Risk Reduction (ALTER) has a...

Kick off meeting of ALTER project


The Kick off meeting of ALTER project takes place in the premises of ΝΟΑ (Athens, Thission, Sina Building) on Monday 12th and Tuesday 13th of February 2018. The Alliance for Risk Reduction (ALTER) project focuses on establishing Public - Private Sector partnerships to achieve disaster risk reduction in the area...

Dr. Alceste Bonanos was awarded an ERC Consolidator Grant


Dr. Alceste Bonanos, senior researcher at the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing of the National Observatory of Athens, was awarded an ERC Consolidator Grant from the European Commission. The project has a duration of 5 years, a budget of 1.1 million euros and the title is...

Recognition of National Observatory of Athens by the World Meteorological Organization (WMO)


National Observatory of Athens (NOA) was recognized by the World Meteorological Organization (WMO) among other 60 centennial stations worldwide, for its uninterrupted operation spanning more than 100 years and collection of reliable meteorological observations. More information can be found here. The historical climatic station of NOA has been permanently established at...

Chemicals in articles: EU LIFE Project AskREACH launched


The Project “Enabling REACH consumer information rights on chemicals in articles by IT-tools” (LIFE AskREACH, No. LIFE16 GIE/DE/000738) funded by the LIFE Programme of the European Union Certain has started with the participation of 13 EU countries. In Greece it is coordinated by NOA in collaboration with ECOCITY. Its main...

“Asteroid Day 2017" at Kryoneri Observatory


The National Observatory of Athens and the Cultural Society of Youth in Kryoneri are hosting a public event for Asteroid Day 2017 on Friday, June 30 at Kryoneri Observatory. Starting at 8pm, visitors will be given a tour of the Observatory where they will learn about the telescope. At 9:15pm...

ESA press release: "New NELIOTA project detects flashes from lunar impacts”


"Using a system developed under an ESA contract, the Greek NELIOTA project has begun to detect flashes of light caused by small pieces of rock striking the Moon’s surface. NELIOTA is the first system that can determine the temperature of these impact flashes..." Read the whole press release here.



The Theater of Disappearance is a major site-specific installation by celebrated Argentinian artist Adrián Villar Rojas, commissioned and organized by NEON. Villar Rojas is well known for large-scale sculptural installations that radically disturb the sites he engages with. Through his work, he interrupts the status quo of artistic practice and behaviour...

On March 30 and 31 2017 a presentation of the GEP-CRL Pilot Project as well as hands-in for the GEP has been made with the collaboration of Ecole Normale Superieure de Paris, the National Observatory of Athens and Harokopio University


The rift of Corinth (Greece) has been long identified as a site of major importance in Europe due to its intense tectonic activity. Ιτ is one of the world’s most rapidly extending continental regions and it has one of the highest seismicity rates in the Euro-Mediterranean region. The western termination...

1st RECAP Webinar


In the framework of RECAP EU Horizon 2020 project, we would like to inform you, that on the 20th of April, 12:00-14:00 (CET), the 1st RECAP Webinar will take place. Take part at a unique webinar on Thursday, to discuss about an improved monitoring of the CAP obligations with remote sensing...

NOA researchers were awarded the "Dimitris Lampadarios Prize” by the Academy of Athens


NOA researchers Dr. Konstantinos Chousianitis and Dr. Athanassios Ganas (Institute of Geodynamics) were awarded the "Dimitris Lampadarios Prize” by the Academy of Athens with  for their research work in Geodesy, titled: «Strain and rotation rate patterns of mainland Greece from continuous GPS data and comparison between seismic and geodetic moment...

Participation of NOA in a new H2020 project


Thessaloniki, May 2016. A consortium of 12 partners in six European countries has launched a project to develop a cloud-based Software as a Service (SaaS) platform for improving the efficiency and transparency of the compliance with the Common Agricultural Policy (CAP) monitoring procedure. The RECAP project is supported by the...

The FORSPEF system highlighted by the ESA’s Space Environment Section


The FORSPEF (FORecasting Solar Particle Events and Flares) prototype system is presented by the Space Environment Section of ESA/ETEC. The FORSPEF system was developed and is operated by The Space Research and Technology Group of IAASARS in the framework of the ESA Contract No. 4000109641/13/NL/AK "Improvement of Solar Particle Events...

"Solar variability and its heliospheric effects" Conference


Under the auspices of the Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing of NOA, the International Conference 'SOLAR VARIABILITY AND ITS HELIOSPHERIC EFFECTS' was held from 2-6 November 2015, at the History Museum of the University of Athens. The conference was inaugurated by the President of NOA, Prof....

NELIOTA camera first light


The new Andor Zyla scientific CMOS fast-frame camera for the NELIOTA project, funded by ESA, saw first light on October 20th. NELIOTA team members connected the state-of-the-art camera to the 62.5 cm Newall telescope in Penteli to obtain the first images of the Moon and other astronomical objects. The camera...

IAASARS participation in the 25th Anniversary of the Hubble Space Telescope


Dr. A. Bonanos, Associate Researcher of IAASARS/NOA, was part of the science team that obtained observations of the Westerlund 2 cluster, which were released to commemorate the 25th anniversary of the Hubble Space Telescope. Read the full press release here.

NELIOTA: ESA's new lunar monitoring project in collaboration with the National Observatory of Athens


NELIOTA is an activity initiated by the European Space Agency (ESA), which was recently launched at the National Observatory of Athens. The project aims to count and characterise the number and distribution of near-earth objects (NEOs). NEOs are meteoroids, comets or asteroids found in the neighbourhood of the Earth. Large...

European Space Expo - Programme


See, touch and experience the benefits Space has for Earth! 15-minute presentations followed by questions and answers. Download the programme here.

International distinction for NOA


The  Satellite Remote Sensing team of the National Observatory of Athens (NOA) under the guidance of Dr. Charalampos Kontoes, Research Director of NOA, has achieved a very significant distinction in the international competition Copernicus Masters Awards 2014 organized by the European Commission, the European Space Agency, the German Aerospace Agency...

Preparing to measure aerosols in Greece


In parallel to the current airborne campaign in Italy supporting the candidate Earth Explorer FLEX mission, we are also preparing a related campaign on Crete in Greece. We would like to have a closer look at aerosols – tiny solid and liquid particles in the atmosphere. While they can have an...

1st Summer School of the Hellenic Astronomical Society


The Hellenic Astronomical Society (Hel.A.S.), in collaboration with the National Observatory of Athens (NOA) and the Research Center for Astronomy and Applied Mathematics (RCAAM) of the Academy of Athens, under the initiative to offer knowledge and scientific training to the younger members , graduate students and young postdoctoral researchers, is...

COMESEP: Forecasting the Space Weather impact


IAASARS/NOA strongly contributed to the development of the first European Space Weather Alert System through the research project COMESEP (COronal Mass Ejections and Solar Energetic Particles) funded by the Seventh Framework Programme (FP7) of the European Union. Tools for forecasting Geomagnetic Storms and SEP Radiation Storms were developed, validated and...

Livas brings aerosols and clouds under one roof


In Greek mythology, Aeolus was ‘keeper of the winds’ and ruled over a number of gods, each responsible for a particular wind – one of which was Livas who blew from the southwest. Today, Livas is giving a helping hand to ESA’s ADM-Aeolus and EarthCARE satellite missions.More information here.

1st Athens Science Festival, 30 April - 4 May, Technopolis City of Athens


Discover science in everyday life in the 1st Athens Science Festival. From 30 April to 4 May in the Technopolis City of Athens, the first Athens Science Festival invites you to explore the science around you. It is organized by the educational institution 'Science Communication - SciCo', the British Council,...

Participation of NOA in the space mission GAIA (ESA)


The Gaia instruments will observe also other objects of the Milky Way, as asteroids and stars of nearby galaxies. Also it is expected to observe a million or more unresolved galaxies (as point sources) in the nearby Universe and hundreds of thousands of distant quasars. The mission will realize a...

Prediction of solar flares and solar particle events


IAASARS/NOA through the research project FORSPEF (FORecasting Solar Particle Events and Flares), funded by the European Space Agency ( ESA ), will develop an application that will provide real- time forecasts of solar flares and solar energetic particle events. The objective of this action is to combine existing and develop...

Opening event of the new European Programme "HORIZON 2020"


Under the Greek Presidency of the European Council in the first half of 2014, the General Secretariat for Research and Technology (GSRT) will hold the opening event of the new European Programme for Research and Innovation "Horizon 2020". The event will be held Friday, January 10, 2014, at the National...

Participation of NOA in the space mission SWARM (ESA)


As part of its participation in the SWARM mission (European Space Agency), the research team of Dr. G. Balasis (Institute of Astronomy , Astrophysics , Space Applications and Remote Sensing) of the NOA, has developed an advanced computational tool for analysis of Swarm data, which is based on modern techniques...



NOTICE No. 1839/2013 - PUBLIC OPEN COMPETITION For the supply of integrated ground station (ground segment) images / data receivers, satellites systems, such as EOS Aqua and Terra, NPP, JPSS, NOAA, Met Op, FengYun, and other systems that could potentially be taken by that infrastructure the future of the planned satellite...

A visit to the Astronomical Station at Penteli of the Standard Response Unit Alzheimer


On Monday, November 4, 2013 the residents and staff of the Standard Response Unit Alzheimer's Disease and Related Disease Charity Organization Mission, visited the facilities of the Astronomical Station Penteli. Residents were informed about the achievements and discoveries of Astronomy and Space Physics, watched video content and made ​​astronomical sightings of galaxies...

BEYOND: Building a Centre of Excellence for Earth Observation-based monitoring of Natural Disasters


Established in the framework of the FP7-REGPOT-2012-2013-1 Coordination and Support Actions - Theme Area “4.1 Unlocking and developing the research potential of research entities established in the EU´s Convergence regions and Outermost regions”, the BEYOND project (EC GA No 316210) aims at maintaining and expanding the existing state-of-the-art interdisciplinary research...

GAIA Workshop at NOA


ESA’s cornerstone Gaia mission will acquire observations of a billion stars and other objects of the Milky Way, resulting in the construction of a three-dimensional stellar map of our galaxy. However, Gaia’s "eyes" will be able to see further away, observing millions of Local Group stars, distant galaxies and quasars....

Researcher's Night 2013


The National Observatory of Athens contributed to the Researcher's Night activities organized by the DEMOKRITOS National Center for Scientific Research on 27/9/2013. NOA participated with talks, presentations and demonstrations of measuring devices and software applications. Below you can read the poster entitled  'Computational tools and internet applications for climate change in...

Renovation and restoration of the historic Newall telescope


On 21 September 2013 at the premises of the National Observatory of Athens a beautiful inaugural ceremony took place so as to commemorate the renovation and complete restoration of the historic NEWALL telescope, which resumed service after many years at the Visitors Center in Penteli. The aim of the event was...

Researchers Night 2013 - Brief Program of activities


The Researcher's Night, the largest pan-European celebration of science and research, is held, on Friday 27/09/2013, at the National Centre for Scientific Research "Demokritos" (NCSR "Demokritos") at 18:00 to midnight, along with other academic centers in about 300 cities in Europe. It includes many events, and gives the opportunity to...

NOA at the 78th Thessaloniki International Fair


  On September 2013, NOA participated in the 78th Thessaloniki International Fair (T.I.F.), where it exhibited its activities in the pavilion of the General Secretariat for Research and Technology (Figure 1). T.I.F. is the most prominent innovation/industrial fair that takes place in Greece and the biggest event of its kind in...

NOA participates in "The Street Value of Science"


«Τhe Hub Events» and Nicolas Protonotarios, continuing for the third year the specific series of scientific lectures titled «Hub Science», present the event “The street value of science” with the purpose to offer to people, in an understandable way, a fresh look of the natural and social sciences...

Construction of a new building for the G.I. of NOA


Mr Giannis Sgouros, the head of the Attica prefecture signed the decision for funding the construction of a new 2.500 square meters building for the Geodynamics Institute of NOA at Penteli. The long procedure for obtaining this much awaited funding, took years of persistent and systematic efforts by the President...

“Europa Nostra” at NOA


The Europa Nostra’s European Heritage Congress took place in Athens in June 2013, bringing together Europa Nostra members and representatives of the ever-growing cultural heritage movement from all over Europe. This Congress marked the 50thanniversary of Europa Nostra’s continuous action in favour of Europe’s cultural heritage. In particular, in June...

Astronomical Event in ancient Kassopi


The thirty-third Ephorate of prehistoric and classical antiquities, the National Observatory of Athens, the Amateur Astronomy Group of Ioannina, the  Athens and Preveza Clubs of Kryopigites and the Municipality of Preveza, organized on Saturday July 27, 2013 at 8: 30 in the archaeological site of Kassopi an astronomical night. The...

Meteosat Second Generation SEVIRI Ground Station System


Since 2007, the Institute has installed and has been using on a 24/7 operational basis a ground station for systematically receiving satellite imagery from the MSG-SEVIRI system maintained by EUMETSAT. The operating agreement for the collection, archiving, and exploitation for research purposes of MSG images, signed between IAASARS/NOA and EUMETSAT,...

Greek participation is central to new research on the sun!


The University of Athens ( Department of Physics and Computer / Telecommunications ), National Observatory of Athens and the Greek Aerospace Industry, have been funded by the European Space Agency ( ESA ) to construct an innovative coronagraph to observe the solar corona, the Sun's outer atmosphere. The Greek research...


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Penteli Visitor Center
Thissio Visitor Center
Educational program on Meteorology
Multiple Events

Real Time Seismicity

Institute of Geodynamics
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Weather Forecast


View the latest weather forecasts, maps, and alerts for Greece on meteo.gr


The Sky Today


mainlogo ypourgiodiavgeia logoΓενική Γραμματεία Έρευνας & Τεχνολογίας - General Secretariat of Research & Technology