The eShel is a R10000 fiber fed echelle spectrograph developed by Shelyak Instruments.

The spectrograph is mounted on the 1m Ritchey-Chretien Reflector telescope at the Wise observatory Mitzpe Ramon, Israel.

Resolution: 10,000
Spectral range: 450-710nm
Grating: 79 l/mm R2 echelle
Cross dispersion: Prism
Input coupling: F/5
Input fiber diameter: 50um (2.6" aperture on the sky)
  The eShel main characteristics are:

                                                                                              eShel manuals

Online Data Archive
Target List,  Nightly log

Measured spectra , Orbital solutions
Observers page
The eShel spectrometer (left) and the telescope mounted FIGU (right)
eShel Schedule