Discoveries
High-energy astrophysics: a COSPAR award and a clouded eclipse
A career built on the INTEGRAL mission wins a COSPAR award, while 220,000 people in La Coruña watched 76 seconds of totality without seeing the corona.
In brief
Two stories about the same tension. A COSPAR Space Science Award recognises three decades of instrument work on the INTEGRAL mission; on the same days, an eclipse calculable to the second was erased by ocean cloud over La Coruña. Prediction is exact; observation is not.
Key points
- Run repeated, documented calibrations for scientific instruments and observing plans.
- Consult weather archives and give the public probabilities and time windows, not certainties.
- Plan procedures for reallocating observing time and fast channels to local weather networks.
- Identify backup sites further inland before a public observing event, not during it.
Observing the sky means putting together calculations, instruments and unpredictable terrestrial conditions. This article covers high-energy astrophysics, the 2026 COSPAR award, and the totality seen from La Coruña, and shows how work on space telescopes and the public experience of an eclipse illuminate each other. The common thread is the tension between the certainty of models and the variability of the world in which observations actually happen.
When an award describes thirty years of instruments
The Committee on Space Research, COSPAR, presented the COSPAR Space Science Awards at the opening of its 46th Scientific Assembly, on Monday 3 August. Among the recipients is Angela Bazzano, research director associated with Italy’s National Institute for Astrophysics, INAF. The award recognises her contribution to high-energy astrophysics through work on the INTEGRAL mission, and it marks a path that turned ideas decades in the making into working instruments.
Bazzano contributed to defining the mission’s scientific objectives and took part in calibrating the IBIS instrument. She organised two foundational observing programmes: the galactic plane scan and the all-sky survey. IBIS observes gamma-ray photons, the energy band that reveals extreme processes, including phenomena around black holes and supernova remnants. Her analyses of high-energy emission from the centre of the Milky Way expanded what is known about gamma-ray sources.
The award is a reminder that building instruments is collective, long-horizon work, and rarely legible from outside.
When operations meet a crowd on the beach
In La Coruña the eclipse drew an enormous crowd and intense collective scenes. Local newspapers reported more than 220,000 people in the city and along the seafront. Playa del Orzán became an encampment of thousands sitting on towels, many wearing eclipse glasses. The nearby Riazor stadium held around 30,000 spectators for a match due to be played. Totality lasted 76 seconds without direct light, and the corona was never seen: cloud covered the sky.
The event shows the difference between prediction and observation. The geometry of the eclipse was known and calculable. But the low apparent altitude of the Sun, a few degrees above the horizon, makes observation extremely sensitive to humidity, haze and ocean cloud. The recorded temperature in La Coruña was 23 degrees. A few minutes after totality the cloud thickened until the solar disc disappeared again. Local variables turned a mathematical certainty into a partial practical result.
Calibration, backup planning and the lesson of Le Gentil
The INTEGRAL story carries a practical lesson. Instruments like IBIS require repeated calibration and observing plans robust enough to survive non-ideal conditions. Professionally that translates into documented calibration procedures, tests against reference data, and strategies for switching target when conditions deteriorate. For amateur observers and public organisers the same lesson becomes concrete: identify backup sites, and communicate both historical and real-time weather probabilities.
The historical case of the astronomer Guillaume Le Gentil serves as the warning. In the eighteenth century Le Gentil travelled more than 10,000 leagues to observe the transit of Venus. Storms and a “fatal cloud” denied him the result. That failure shows that even with the best plan, weather can cancel an observation outright. Comparing the operations of a space mission with public departures for an eclipse helps sharpen practical criteria for choosing alternatives and limiting lost opportunities.
What to do next time
For anyone organising public observations, a few concrete steps reduce the risk of disappointment. Consulting local weather archives helps estimate the probability of clear sky. Preparing at least one alternative site further inland increases the chance of success. Updating the public with time windows and probabilities keeps expectations realistic. Arranging shuttles or short transport lets groups be moved quickly when needed. For scientific teams, a useful checklist covers rapid calibration tests, models for reallocating observing time, and a communication channel with local weather networks.
Space missions such as INTEGRAL will keep producing data essential to high-energy astrophysics. Public eclipses remain moments of connection between science and society. The COSPAR award to Angela Bazzano is a reminder that instrument building is collective, long-term work. The totality seen from La Coruña demonstrates that predictive measurement is indispensable, but that observation remains a fragile meeting between sky and ground, and worth planning for accordingly.
Sources: