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A solar eclipse happens when the Moon moves between the Sun and Earth, casting a shadow on Earth, fully or partially blocking the Sun’s light in some areas. People in Canada, Greenland, and northern Russia can see the the full disc to be covered. In Germany, the sun was covered 7-15% only as you can see in the picture. Nevertheless, these partial solar eclipses are very rare and the next one visible from western europe will be end of 2022, the next full solar eclipse in 2081.
The picture shows the partial eclipse in Hydrogen Alpha, so a very thin line of the visible deep-red light spectrum of 0.5Å, that is five hundred-billionth of a meter. Taken from my garden, 200 pictures at 0.05sec each, only the best 50% were stacked.
Telescope is a Lunt LS60MT+Coronado SM60, QHYIII178M camera.
Please bear with me, i take one solar pic a year so am not experienced in this at all. But this might change ...
This crop of the picture above and shows a filament, which is the thin line and can erupt into space. Such events are sources of coronal mass ejections that can produce disturbed geomagnetic and auroral activity at the Earth several days later (if the filament that was ejected is directed toward the Earth)
Right of that is a small plage region. These regions of higher-temperature hydrogen gas are often the sites of dead or dying sunspot regions.
!! As a general note, never look at the sun unprotected or through a telescope without proper filters in place !!