The FlyEye design makes its debut in the ESA’s NEOSTEL developed by OHB-Italia. This pioneering FlyEye telescope integrates a monolithic 1-meter class primary mirror feeding 16 CCD cameras for discovering Near- Earth Object (NEO) and any class of transient phenomena. OHB-Italia is the prime contractor, receiving extended support from the Italian National Institute for Astrophysics (INAF) in the ESA’s NEOSTED program’s integration and testing. The FlyEye distinctive design splits the Field of View into 16 channels, creating a unique multi-telescope system with a panoramic 44 square degree Field of View and a seeing-size pixel-scale, enabling NEOs detection down to apparent magnitudes 21.5 insisting on a 1m diameter spherical mirror. The scientific products of a similar FlyEye telescope can complement facilities such as Vera Rubin (former LSST) and ZTF. The FlyEye has the ability to survey two-thirds of the visible sky about three times per night can revolutionize time-domain astronomy, enabling comprehensive studies of transient phenomena, placing FlyEye in a new era of exploration of the dynamic universe. Efforts to develop automated calibration and testing procedures are keys to realizing this transformative potential.
The Near-Earth Object Survey TELescope- NEOSTEL telescope is based on the Fly-Eye design developed by OHB-Italia that it is also the prime contractor and the technical coordinator of a multinational consortium that develops and deploys its first unit. The Italian INAF institute supports OHB-Italia in the integration and testing phase of the NEOSTEL telescope within the NEOSTED (Near-Earth Object Survey TElescope Development) program. NEOSTEL is an optical telescope, 1-meter class primary mirror, that splits the image into 16 CCD cameras mounted on as many objectives (Secondary Optics Tubes-SOTs). Each channel optically works as a single unit of a multi-telescope, and it is equipped with a camera. The NEOSTEL CCD camera is under development within the ESA ASTROCAD program. The 1180mm entrance aperture and the performance of the ASTROCAD camera shall allow scanning two-thirds of the visible sky about three times per night, detecting NEOs down to apparent magnitudes 21.5. ESA, in collaboration with the Italian Space Agency (ASI) identified the location for the installation of the first NEOSTEL prototype on top of the Mount Mufara on the Madonie Chain in Sicily.
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