For any questions, contact: Tanausú del Pino Alemán President of the Solar CAT Instituto de Astrofisica de Canarias e-mail: tanausu [at] iac.es Tel: 34 922 605 200  

President Tanausú del Pino Alemán (IAC), tanausu [at] iac.es   Member 1 IAC Juan Carlos Trelles Arjona (IAC), jtrelles [at] iac.es Member 2 National Community Azaymi Siu-Tapia (IAA), siu [at] iaa.es Member 3 National Community Roberto Soler (Universitat de les Illes Balears),  roberto.soler [at] uib.es  Member 4 International Community (CCI) Regina Aznar Cuadrado (Max Planck Institute for Solar […]

Observing schedules for each solar telescope can be found under the following links. GREGOR THEMIS SST

Allocations The minutes of the 2026B-special TAC meeting are available for download. The minutes of the 2026B TAC meeting are available for download. The minutes of the 2026A TAC meeting are available for download. The minutes of the 2025B TAC meeting are available for download. The minutes of the 2025A TAC meeting are available for download. The minutes of the […]

The solar CAT distributes the Spanish observing time among the following telescopes. Observatorio del Teide GREGOR Telescope (technical information) VTT: Vacuum Tower Telescope (technical information) THEMIS: THEMIS Solar Telescope (technical information) Observatorio del Roque de los Muchachos SST: Swedish 1m Solar Telescope (technical information)

Special call 2026B (Spanish time) Closed To submit a proposal, it is mandatory to first register in the specific electronic proposal submission system. The online application to submit the proposals can be found at proposals.iac.es. Information about each instrument is provided by the telescope owner/operator. For the 2026B special call, the VTT is offered. Regarding the online application, note that: […]

Special Call 2026B (Closed) The solar Time Allocation Committee (TAC) aims at distributing the observing time at the solar telescopes under the responsibility of the IAC (Instituto de Astrofísica de Canarias) in the Observatorio del Teide (OT) and the Observatorio del Roque de los Muchachos (ORM). The time allocated is that corresponding to Spain following the International Agreements […]