Contains:  Solar system body or event
Active Sun - 2/11/2023, psychwolf

Active Sun - 2/11/2023

Active Sun - 2/11/2023, psychwolf

Active Sun - 2/11/2023

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Description

Got a chance to visit the observatory to see the solar activity lately, through the observatory's Lunt 80mm H-Alpha pressure tuned telescope, with my ZWO ASI462MC osc camera. The active regions and filaments on the surface were very intense, and I'm glad I got a chance to view in the winter time when sometimes layers of snow and cold can be discouraging for solar viewing and photography.

I also enjoyed the view through the white light Herschel Wedge on the attached 5 inch f/5 refractor. As mentioned in the Milwaukee Astronomical Society email forums, Sunspot AR3217 has a 'beta-gamma-delta' magnetic field that harbors energy for X-class solar flares. Earth-orbiting satellites detected an X1.1-class solar flare from sunspot AR3217 (Feb. 11th @ 1548 UTC). Extreme UV radiation ionized the top of Earth's atmosphere, causing a strong shortwave radio blackout over South America.

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Active Sun - 2/11/2023, psychwolf

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Milwaukee Astronomical Society