Proba-3 - Proba-3

Welcome to ESA's Proba-3 Website for the Scientific Community

Some of the pages are intended for members of the PROBA-3 science consortia. Due to restrictions and rules on data protection, most of the pages can only be viewed and accessed once you have logged into your cosmos account.

News and Highlights

A double eclipse for Proba-3

14 August 2026

On 12 August 2026, parts of Europe experienced a total solar eclipse. But hours before the Moon’s shadow swept over Earth, the satellite pair making up ESA’s Proba-3 mission witnessed this cosmic marvel from a front-row seat.

Proba-3’s eclipse hours before totality in Europe

14 August 2026

On 12 August 2026, parts of Europe experienced a total solar eclipse. But hours before the Moon’s shadow swept over Earth, the satellite pair making up ESA’s Proba-3 mission created an eclipse artificially – for the 65th time – without the Moon’s help.

A look back at the 2026 total solar eclipse

14 August 2026

On 12 August 2026, Europe witnessed the first total solar eclipse in over two decades. Millions of people were awed by the Moon completely covering the Sun's bright disc, briefly turning day into night and revealing the Sun's outer atmosphere. Totality could be seen from Greenland, Iceland, Spain and Portugal, while most of the rest of Europe... read more

How ESA mimics and models the 2026 total solar eclipse

10 August 2026

On 12 August 2026, parts of Europe will experience a total solar eclipse. With the Sun's bright disc covered, its surrounding atmosphere – the solar corona – will become visible to the naked eye. Unfortunately, total solar eclipses are rare and last at most a few minutes, giving scientists little time to study the Sun’s enigmatic... read more

Proba-3 Plans for the 12th August 2026 Total Solar Eclipse

30 July 2026

On 12 August 2026, a solar eclipse will be visible across parts of Europe and the North Atlantic. The path of totality will cross Greenland, Iceland, Spain and a small area of northeastern Portugal. Other parts of Europe will see a partial solar eclipse.

This page gathers observations from the ASPIICS coronagraph on board Proba-3,... read more

Proba-3 mission extension confirmed!

11 June 2026

Proba-3 mission extension gets the green light.

A successful SWT #13 in the Swiss mountains

31 May 2026

The Proba-3 SWT #13 took placed in Davos, hosted by PMOD. (Link for internal members only)

First Proba-3 science: surprisingly speedy solar wind

13 April 2026

Since July 2025, the European Space Agency’s pair of Proba-3 satellites has already created 57 artificial solar eclipses. So far, the mission has collected more than 250 hours of high-resolution videos of the Sun’s atmosphere, called the corona. That’s the same amount... read more

Proba-3 First Call for ASPIICS Guest Investigators

6 January 2026

The first Guest Investigator Programme was announced at the end of 2025, with a submission deadline of 12 February 2026. This annual opportunity is open to scientists from ESA Member States, offering not only access to Proba-3 ASPIICS data but also the unique chance to participate in instrument commanding. Successful applicants will spend... read more

First call for SWT13 and Season Greetings

16 December 2025

Please be reminded of the agreed dates for the 13th Proba‑3 Science Working Team Meeting, which will take place in Davos, Switzerland, from 27–29 May 2026. Please add this event to your calendar for the new year.