INAF-Osservatorio Astronomico di Brera

INAF-Osservatorio Astronomico di Brera

The Brera Astronomical Observatory is a research center of excellence of the National Institute of Astrophysics (INAF), recognized worldwide, with leading research in Milan and Merate sites.

30 research projects

17 facilities

8000 visitors per year

I Research news

The orange dot at the centre of this image is a powerful explosion that repeated several times over the course of a day, an event unlike anything ever witnessed before. The image, taken with ESO’s Very Large Telescope (VLT), allowed astronomers to determine that the explosion didn’t take place in the Milky Way but in another galaxy. This gamma-ray burst, named GRB 250702B, was first spotted by high-energy telescopes on 2 July, but its location was uncertain. The image shown here was taken on 3 July with the VLT’s HAWK-I infrared camera, which accurately pinpointed the location of the source. The explosion appeared to be nested within another galaxy, later confirmed by the NASA/ESA Hubble Space Telescope. Different scenarios have been proposed to explain this event, such as the collapse of a massive star, or a star ripped apart by a black hole. But none of them can fully account for all the observed properties of the explosion unless the involved objects are rather unusual - Credit: ESO/A. Levan, A. Martin-Carrillo et al.

GRB 250702B, an unusually long and repeating gamma-ray burst – ESO Press Release

11 September 2025

Locandina dell'incontro con la ricercatrice Camilla Gaiaschi - 23 settembre 2025 - Sala Belloni - Merate (LC)

September 23, 2025 – Monthly meetings on violence and gender issues – Fifth meeting with the researcher Camilla Gaiaschi

2 September 2025

The Italian team on stage at the opening ceremony, accompanied by their team leaders. From left: Riccardo Brunetta, Francesco Leccese, Andrea Cusimano, Ilenia Trunfio, Gabriele Lambertini, and team leaders Marco Citossi (INAF-Trieste) and Benedetta Dalla Barba (our PhD student). Credits: Marco Citossi/INAF

Italy shines in Mumbai with three bronze medals – Media INAF

26 August 2025

Rendering showing the appearance of CUBEs, the instrument that will be installed on one of the VLT telescopes at ESO’s Paranal Observatory.

Green light for Cubes – Media INAF

8 August 2025

The Brera Astronomical Observatory is heavily involved in the PNRR CTA+ and Stiles,
find out more on the dedicated website

I For the public

Auschwitz camp after liberation - Web credits

January 27, 2025 – Holocaust Remembrance Day – Pif’s interviews – From our Agnese Mandrino, head of the library and historical archive

Auschwitz camp after liberation - Web credits

January 27, 2025 – Holocaust Remembrance Day – Pif’s interviews – From our Agnese Mandrino, head of the library and historical archive

Auschwitz camp after liberation - Web credits

January 27, 2025 – Holocaust Remembrance Day – Pif’s interviews – From our Agnese Mandrino, head of the library and historical archive

Immagine della locandina dell'evento del 21 novembre 2024 - Conferenza a cura di Filippo Zerbi - Vita sugli altri pianeti

C/2023 A3 – The comet of the century … until the next one! – Event at the Merate (LC) branch – 16/10/2024

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