Looking down on the dome of the Nordic Optical Telescope, with the Atlantic Ocean behind.

The service building and dome of Nordic Optical Telescope situated above the clouds at the top of Roque de los Muchachos, La Palma.

The interior of the telescope, showing an instrument on the Cassegrain focus

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1 Megapixel

The Nordic Optical Telescope (NOT) is an astronomical telescope located at Roque de los Muchachos Observatory, La Palma in the Canary Islands. First light came in 1988, with regular observing beginning in 1989. It is funded by Denmark, Sweden, Iceland, Norway and Finland. more...

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Under 10x Optical Zoom

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Access is provided to astronomers of all nationalities through international time allocation committees.

The NOT was the first major telescope facility designed to use active optics to correct the shape of a thin, lightweight primary mirror supported on actuators.

The NOT is a 2.56m telescope with the following instrumentation:

ALFOSC -- CCD (visible light) faint object spectrograph and 4 Megapixel camera
NOTCam -- 1 Megapixel HgCdTe Hawaii infrared camera and spectrograph
MOSCA -- 16 Megapixel CCD camera
SOFIN -- High resolution CCD spectrograph (up to R=170000)
StanCam -- Stand-by 1 Megapixel CCD camera
LuckyCam -- High frame rate, low noise L3Vision CCD camera for lucky imaging
TURPOL -- UBVRI Photopolarimeter
FIES -- cross-dispersed high-resolution (up to R=60000) echelle spectrograph, isolated from thermal and mechanical instability.