THEMIS Solar Telescope
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The “Télescope Héliographique pour l’Étude du Magnétisme et des Instabilités Solaires” (THEMIS) of CNRS-INSU is a 1-meter-class optical solar telescope, primarily dedicated to studying solar magnetism and the dynamical processes within the Sun’s atmosphere (such as sunspots and solar flares). THEMIS can also perform observation of near-Sun objects such as Mercury and comets. THEMIS is located at the Teide Observatory of IAC, with a base office in La Laguna, in Tenerife, Canary Islands, Spain. New ¡¡¡ 2026 observing campaign schedule !!!
March : Participation of THEMIS at the "10th Solar Orbiter Scientific Workshop" in Berlin (FR). Click for information on: How to reach THEMIS locations ; How to contact the THEMIS team |
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Overview of telescope status
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The THEMIS telescope and its science
Technical & scientific information about THEMIS
THEMIS scientific objectives
THEMIS administrative structures
Observing with THEMIS
Information for research scientists wishing to observe with THEMIS
2026 observing campaign
Weather at THEMIS location and weather forecast
THEMIS data products & data access
THEMIS Scientific research & results
Scientific research with THEMIS
THEMIS scientific highlights and news
THEMIS observations and media galleries
Media resources (Posters, logos, ...)
THEMIS image of the month: March 2026
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Zoomed view of a solar filament observed on September 28th (top row) & 29th (bottom row) 2003, by GONG (left column) in Hα, and the slit-reconstructed images from the spectra in the Hα line center observed by THEMIS (middle column), and in the Mg II k line center (2796.4 Å) by IRIS (right column). The contours (blue) of the filament observed in GONG are overlaid on the THEMIS image, and the filament contours from THEMIS are overlaid in white over GONG and IRIS images to show the THEMIS FOV. Figure published in Garima Karki et al, ApJ, 999, 148, 2026. |
THEMIS telescope management
Internal pages for the THEMIS team
Previous THEMIS front page
© 2026 CNRS-THEMIS
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