http://themis.iac.es/ 2026-05-06T09:39:05+00:00 http://themis.iac.es/ http://themis.iac.es/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2024-12-19T15:46:23+00:00 Anonymous (anonymous@undisclosed.example.com) http://themis.iac.es/doku.php?id=call25:2025_call_for_observing_time&rev=1734623183&do=diff THEMIS 2025 observing campaign THEMIS 2025 observing campaign will take place approximately from Apr 1st to Jul31st 2025, for about 100 days. We encourage everyone to apply ! The 2nd part of the year 2025 shall be mostly dedicated to the reception and installation of the IBIS2.0 spectroimager. <font size="0.5"> © 2026 CNRS-THEMIS <br> Terms of use: unless otherwise specified, all graphical (webcam records, movies, pictures) or non-graphical material (text) from this site is property of CNRS-T… text/html 2025-03-17T17:44:29+00:00 Anonymous (anonymous@undisclosed.example.com) http://themis.iac.es/doku.php?id=call25:2025_observing_schedule&rev=1742233469&do=diff 2025 Observing schedule Dear observers at THEMIS, Below is the current preliminary version 1.1 of the 2024 THEMIS observing schedule. (You can download the pdf here:\ \ \ [ ] ) ---------- <font size="0.5"> © 2026 CNRS-THEMIS <br> Terms of use: unless otherwise specified, all graphical (webcam records, movies, pictures) or non-graphical material (text) from this site is property of CNRS-THEMIS under a <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons CC-BY 4.0 … text/html 2024-12-19T14:54:38+00:00 Anonymous (anonymous@undisclosed.example.com) http://themis.iac.es/doku.php?id=call25:2025_user_info&rev=1734620078&do=diff Note for 2025 users A word on 2024 known problems (and solutions) The optical diffusion problem that was detected in Sept 2024 (mostly affecting the He D3 observations) has been identified and corrected (November 2024).The data acquisition issue in polarimetric modes was tracked down to a bad sync between the analyzer rotation and the camera exposure. This has been solved at the cost of slowing down the acquisition loop (roughly a factor 2 slower). This issue has been affecting all the Septembe… text/html 2024-12-19T15:41:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://themis.iac.es/doku.php?id=call25:themis&rev=1734622862&do=diff Call 25 ---------- <font size="0.5"> © 2026 CNRS-THEMIS <br> Terms of use: unless otherwise specified, all graphical (webcam records, movies, pictures) or non-graphical material (text) from this site is property of CNRS-THEMIS under a <a href="https://creativecommons.org/licenses/by/4.0/">Creative Commons CC-BY 4.0 license</a>.