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Questions tagged [sunspots]

Questions regarding the darker areas on the solar disk formed by emerging magnetic fields.

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The sun networks [duplicate]

For my research about the sun activity I need to edit pictures of the sun. I want the pictures to show three stages the quiet, enhanced and active/plage network. I couldn't find any information in the ...
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Can we see evidence of sunspots on other stars

Searching for exoplanets by measuring the change of a stars brightness when an exoplanet transits the star's disk also has the potential to detect exo-sunspots. Have they ever been detected?
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Could Tabby's star be beamed by a neutron star's jet causing irregular star spots?

There have been some other questions here about what might cause the light curve dips of star KIC 8462852 as observed by Kepler Space Telescope. Here's one I haven't heard before: Could it be that a ...
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For what kinds of solar research does observing a total eclipse during a sunspot minimum “reduce the amount of 'clutter'”?

The recent Wired.com article A Drone, a $12,000 Lens, and the Magic of a Total Solar Eclipse describes the author's photo session of the recent total solar eclipse at the Cerro Tololo Inter-American ...
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Is the longitude assigned to sunspots spherical or projected?

Sunspot maps are created from a projection of the sun, so the coordinates of sunspots (or active regions in general) are assigned according to it. Do these coordinates correspond to actual spherical ...