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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 : First screw of the Italian IBIS 2.0 Spectro-imager @ THEMIS. 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
2025 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
THEMIS image of the month: November 2025
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IBIS 2.0 is coming! During a preparatory visit at THEMIS, the INAF Italian team of the Interferometric BIdimensional Spectrometer - IBIS 2.0 has started to assemble the first pieces of the optical bench of IBIS 2.0. An alternative beam path provided by THEMIS, located after its adaptive optics, will exit the THEMIS spectrograph hull and feed IBIS 2.0, which will be mounted vertically on THEMIS. The upgraded version of IBIS 2.0 shall be fully installed on the optical bench shown in the picture during the spring of 2026. IBIS 2.0 will be an outstanding synergic complement of THEMIS long slit spectrograph MTR2, enhancing THEMIS competitiveness in the 1-1.5m solar telescope category, providing new strong scientific capabilities to study the dynamics of the low solar atmosphere. |
THEMIS telescope management
