9th Sept Sunspot changes

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JohnW
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9th Sept Sunspot changes

Post by JohnW »

9th Sept. I managed one pic of the five sunspot groups on the sun today - a single exposure with a Canon 550d at 540 nm thru a WO 81 mm scope.
I have pasted an image from 6th Sept so that you can see the changes in the sunspot groups over 3 days. There was too much light cloud today to do a shot at Ha wavelength. Thanks for viewing, John W.
IMG_3150 c.jpg
IMG_3150 c.jpg (346.95 KiB) Viewed 281 times
IMG_3161 c.jpg
IMG_3161 c.jpg (394.38 KiB) Viewed 281 times


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Re: 9th Sept Sunspot changes

Post by DeepSolar64 »

John,
It's amazing how much and how fast sunspots and sunspot groups can change over time. I have seen an active region one day be nothing but faculae and the next day be a full blown sunspot group. Pores can rise and fall much more quickly. Sometimes within a single hour. Terry and I were having a similar discussion on another thread about the same subject.

That's the best thing about solar observing, no matter what wavelength(s) you are viewing it in. WL, Ha, CaK, Sodium, etc. It's always changing. It's never the same twice! This applies both to visual observing and imaging. The Sun is AWESOME!!!

James


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Re: 9th Sept Sunspot changes

Post by EGRAY_OBSERVATORY »

I can't really add more than what James has correctly just said - except amazing-again/interesting and we with our scopes are able to appreciate and be part of recording these sights and changes...

Thanks you John for the comparison, which now includes another "spotty" AR today in the far S.E. by the limb !!

Terry


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Re: 9th Sept Sunspot changes

Post by marios i. »

Nice presentation. Thank you for sharing


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Re: 9th Sept Sunspot changes

Post by marktownley »

Great shots there John!


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Re: 9th Sept Sunspot changes

Post by JohnW »

Thank you everybody for your comments - it was nice to receive SPOD. Cheers to all from down under.


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Re: 9th Sept Sunspot changes

Post by EGRAY_OBSERVATORY »

And now tonight, AR2870 has been added to the growing list again...

Terry


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Re: 9th Sept Sunspot changes

Post by DeepSolar64 »

JohnW wrote: Thu Sep 09, 2021 10:13 pm Thank you everybody for your comments - it was nice to receive SPOD. Cheers to all from down under.
John, that's a well deserved SPOD. Congratulations!!


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Re: 9th Sept Sunspot changes

Post by Carbon60 »

A nice comparison, James.

Congratulations on SPoD :)

Stu.


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