On this page, we list the main changes that affected the instrument and this web site. For earlier news see this page, and for earlier updates see this page


SofI Status


  • A new tool for proposal preparation is available: P1. For more details users should consult the Call for Proposal for P105.
  • A turbulence parameter should be used instead of the seeing. For details, please consult the user Manual and check this link:


  • A new tool will in operation in La Silla to prepare OBs, All users observing in La Silla from P104 onward starting middle of October 2019 should use this tool to prepare their OB and not P2PP
  • As of 2012-10-04 there are 596 papers, based on SofI data, and the number is growing. Check ESO Telescope Bibliography.
  • The problem with the GenericSpectro and GenericImaging templates was solved: from now on the guiding option B must be used for guided observations, and N must be used for non-guided observations (2012-05-10).
  • SofI User Manual ver. 2.30 released; autoguiding info updated (May 10, 2012).
  • SofI User Manual ver. 2.20 released; global overhaul of the web page, particularly the Tools and Data reduction pages; update of the SofI specific visitor page; new bad pixel mask, new ZJJsHKs special dome flats, new ZJJsHKs illumination corrections, distortion maps for spectrosocpy (Blue, Red, H and K set ups), photometric zero points (May 23, 2011).
  • Web-page clean up, correction of obsolete links, and migration of the entire calibration fits archive to a new ftp repository (Apr 14, 2011).
  • New/updated: bad pixel mask, linearity correction, gain, read-out-noise, zero points and atmospheric extinction coefficients, illumination corrections in all broad band filters, and some web page cleanup/update (Aug 2010).

Press Releases (with lot of pretty pictures)