What are these things called?

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Bruce Girrell
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What are these things called?

Post by Bruce Girrell » Sun Oct 15, 2017 10:40 pm

Anatomy of a sunspot
What is the name of the thingies that make up the penumbra of a sunspot?
Thanks

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Sunspot anatomyA.jpg
Sunspot anatomyA.jpg (230 KiB) Viewed 653 times

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ffellah
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Re: What are these things called?

Post by ffellah » Mon Oct 16, 2017 12:11 am

Hi Bruce: I believe those are called the sunspot filaments

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Montana
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Re: What are these things called?

Post by Montana » Mon Oct 16, 2017 9:02 am

or penumbral filaments

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Bruce Girrell
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Re: What are these things called?

Post by Bruce Girrell » Mon Oct 16, 2017 11:47 am

Thank you!

rbenton
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Re: What are these things called?

Post by rbenton » Mon Oct 16, 2017 6:57 pm

Sensational image, Bruce!

Bruce Girrell
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Re: What are these things called?

Post by Bruce Girrell » Mon Oct 16, 2017 8:16 pm

rbenton -

I wish it were mine. That one is from NASA. I needed an image that clearly displayed what I was asking about

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