M9.4 flare, October 23, 2013
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Videos which you may download on this page show a sequence of three M-class flares in
sunspots 1875 and 1877.
4K video has wider angle of view than FullHD video.
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| Video start | October 23, 2013, 22:30:11 UT |
| Video end | October 24, 2013, 02:49:47 UT |
| Frame rate | 25 fps, 1 s of video corresponds to 5 min in reality |
| Events | M1.4 Flare on October 23, 2013, 23:43 UT - Sunspot 1875
M3.1 Flare on October 24, 2013, 00:08 UT - Sunspot 1875
M9.3 Flare on October 24, 2013, 00:30 UT - Sunspot 1877 (major event) |
| Data | NASA, SDO AIA 304 A, 171 A, 211 A |
| Processing | PM-NAFE algorithm by Miloslav Druckmüller |
| Orientation | Solar North is on the the top |
| Download | FullHD (1920 × 1080 pixels), sRGB color space, 263 MB
4K (3840 × 2160 pixels), sRGB color space, 476 MB |
| More info | Sample frame from 4K video |
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Miloslav Druckmüller
Institute of Mathematics, Faculty of Mechanical Engineering
Brno University of Technology, Czech Republic
druckmuller@fme.vutbr.cz
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Page last update: 2.2.2020
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