REM (Rapid Eye Mount) is a 60 cm diameter fast reacting telescope located in the La Silla premises of the ESO Chilean Observatory (29°15′S and 70°44′W).
The telescope hosts two instruments: REMIR, an infrared imaging camera, and ROSS, a visibile imager and slitless spectrograph. The two cameras can observe simultaneously thanks to a dichroic placed before telescope focus the same field of view of 10x10 arcmin.
The Observatory is operated for INAF by the REM Team, a delocalized group of people.

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02 Jan 2012 ◊ REM AOT25 approved programmes are listed in the SALMON List.
07 Dec 2011 ◊ REM activity is restored.
10 Nov 2011 ◊ REM activity is stopped due telescope motors problems.