PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY PASQUALE SORRENTINO / SCIENCE PHOTO LIBRARY
Optical telescope. Researcher checking the optical telescope at the Capodimonte observatory, Naples, Italy. This is a 40-centimetre-diameter reflector telescope. The image is captured by a CCD camera (charge-coupled device) that can be modified by several different filters. The telescope's barrel (blue) is on an equatorial mount (white). Mounted on the telescope is the VAMOS (Velocity and Magnetic Observations of the Sun) instrument (white, on telescope) used to observe the Sun. A computer is used to move and point the telescope, and to control the movements of its dome (seen above telescope). The Astronomical Observatory of Capodimonte (OAC) was inaugurated in 1819. The VAMOS project started in 1999.
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