File:Sunspot SST 05Sep2016.png
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Captions
Captions
Sunspot observed with the Swedish 1-m Solar Telescope
Summary[edit]
| Description |
English: The image shows the main sunspot in active region AR 12585 observed with The Swedish 1-m Solar Telescope (SST) on La Palma (Spain). Sunspots are regions with strong magnetic fields. The central dark area, the umbra, has the strongest and most vertical magnetic fields. The dark umbra is surrounded by the filamentary penumbra where magnetic fields are more horizontal. Note that the black line in the lower left measures 2500 km on the Sun.
Instrument : Swedish 1-m Solar Telescope / CHROMIS wideband (wavelength 395.0 nm) Center coordinates: (x,y) = (-113",23"), 5-Sep-2016 Observation: Luc Rouppe van der Voort and Shahin Jafarzadeh (University of Oslo, Norway) Data reduction: Jaime de la Cruz Rodríguez (ISP/Stockholm University, Sweden) |
| Date | |
| Source | Own work |
| Author | Luc.rouppe |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:41, 28 February 2020 | | 1,714 × 1,109 (1.14 MB) | Luc.rouppe (talk | contribs) | User created page with UploadWizard |
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