Usually on Friday/Saturday evening
Observing site is on CERN premises in Prévessin.
We also organize outings in Jura or Salève from Spring to Fall (mostly visual observations).
1) CERN (Prevessin): mostly imagery (CCD, DLSR, ...)
2) Area of Lajoux (Jura): mostly visual observation
To find out when the next observation (permanence) takes place, please visit our Calendar page.