July 2, 2022

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Science and lasers to protect frescoes: This is how Ennis researchers save beauty

Monitor murals from Huge complex in Saint Pivignate and the “The Trinity and the Saints” by Raphael and Perugino in Church of San Severo in Perugia with 3D laser scanning and fluorescence techniques, Study the composition of colors and materials used. This is what the researchers realized Enea from Frascati Research Center As part of a campaign to promote cultural heritage “Keep the beauty”Created by journalist Monica La Torre It is funded by the newspaper Umbria 24 And from Umbria region Supported byDepartment of Culture of the Municipality of Perugia and Faculty of Letters and PhilosophyUniversity of Perugia. Two prototype laser scanners were used at the two sites: one with three lasers capable of instantaneous detection of information regarding the structure and color of artwork, and another using an ultraviolet laser to study surface-forming materials and monitor from biological attacks.

“The work carried out allowed the study of the materials and colors from which the frescoes were made, and the identification of a year zero in relation to the monitoring of works whose present health we now know and which we will be able to monitor continually in the coming years” Massimiliano Guarneri Researcher in the Enea Diagnostic and Metrology Laboratory and coordinator of the team in which colleagues participated Luisa Canev, Valeria Spuccino, Massimo Francucci, Massimiliano Ciafi and Marco Pestelli. The first data collected led to the creation of Two mobile apps made by Oniride, which supports the visitor in reading the frescoes and is also used on the interactive totem of San Bevignate. Guarneri concludes that “one of the goals set was to make the frescoes dynamic, and to make the complex visible, even to the higher parts of it, that otherwise would have been impossible to notice.” “The project is of particular importance due to the fact that the municipal administration of the capital of Umbrian will be the pioneer of the European network of Templar sites: from this perspective, the intervention in Saint-Pivignate acquires a central and transnational importance,” emphasized the “creator of the “Save the Beauty” project, Monica La Torre, On the occasion of the reopening of the Church of San Severo after restoration.” Contacts have already begun with the Faculty of Engineering of the University of Perugian to compare the various surveys already conducted on the site, travel in this direction and open a season for further research and in-depth analysis. All this, it is hoped, will contribute in a fundamental way to the preservation of the huge complex, in keeping with the non-profit nature of the foundation of the project”, concludes La Torre. Raphael painted the fresco in the church of San Severo in the years 1505-08, but left it unfinished. After The artist died of Urbino in 1520, his master Pietro Perugino, now elderly, completed this only work left for him in the city.

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