Images of solar flares in HMI continuum

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Gradvohl, André Leon Sampaio; Lima, Ana Luísa Fogarin de Sousa; Liu, Jianna, 2021, "Images of solar flares in HMI continuum", https://doi.org/10.25824/redu/VMXMHD, Repositório de Dados de Pesquisa da Unicamp, V1
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Description
This dataset contains solar flares in classes B, C, M, and X at HMI Continuum. The images were obtained from the Solar Dynamics Observatory by the Atmospheric Imaging Assembly instrument. Besides, the dataset contains labels to indicate the active regions in each image. (2021-02-01)
Subject Astronomy and Astrophysics
Keyword Solar flares, Active Regions, HMI Continuum
Notes The dataset contains files in png format (with grayscale images in 4096 x 4096 pixels) and the labels for defining a rectangle where the active regions that generated the solar flares are. The directory structure comprises four folders with B, C, M, and X solar flares images and two directories with the labels for M- and X-class flares. The labels are in the files with the same name as the image files. The file names contain information about the date and time the flares occurred. It is after the second underline and before the 'Z' char. For instance: hmi.ic_45s.20150505_221115_TAI.2.continuum.png means that the solar flare occurred on May 5th, 2015, at 11h, 15m, and 45s UTC.
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