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VISTA telescope (Visible and Infrared Survey Telescope for Astronomy)

*of ESO’s Paranal Observatory
 :* VLT: the largest telescope on Paranal
*Site: 	Cerro Paranal(Chile)
*4-m class 
*First Light date: 	11 December 2009
*Active Optics: 	Yes
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*wide field (1.65 degree diameter field of view )
*equipped with a near infrared camera 
:*pixel size 0.34 arcsec
*The PSF of the telescope+camera system (including pixels) is designed to have a full width at half maximum (FWHM) of 0.51 arcsec.