Sunspots registry - Solar rotationSunspots registry - Largest Sunspot of the Solar Cycle - NASASunspots registry - Sunspots - TaiwanSunspots registry - Surface of the Sun - HMI-NASASunspots registry - Monster Sunspot AR1476 - NASA

 

Sunspots registry - X-flares - X1.4 and X1.9 - NASA, SDOSunspots registry - Big Sunspot 1520 - Releases X1.4 flare - NASASunspots registry - Sunspot 1112Sunspots sunset - Xihu, HangzhouSunspots

 

Sunspot butterfly - graphPeriodic changes of Sunspot numbersSunspot diagramChanges in total solar irradiance and monthly sunspot numbers - 1975-2013Samuel Heinrich Schwabe Astronomer - Plaque in Dessau

Sunspots registry – Program run since 1826

Sunspots registry – The longest regular scientific research in the world is the record of the number of spots on the Sun created since 1826.
The research program was initiated by the German amateur astronomer Samuel Heinrich Schwabe. He watched the Sun regularly for 17 years because he wanted to observe a planet previously unknown to science called the Volcano.
Moving against the backdrop of the solar disk. Of course, he found nothing – only Mercury and Venus are between Earth and the Sun. Known since antiquity – but his observations have determined that the activity of our nearest star changes regularly.
Schwabe’s achievements inspired Rudolf Wolf, head of the Bern observatory. Which from 1848 continued to record spots and collected historical data on this subject. Dating back to the early 17th century

Spot counting system developed by Wolf.

Accepted astronomers around the world. Almost 100 observatories are currently observing this phenomenon. Both professionals and amateurs.

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