The dynamics of sunspots

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Filipp Romanov
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The dynamics of sunspots

Post by Filipp Romanov » Mon Jun 15, 2020 12:28 pm

Hello!

I took these photos of sunspot groups AR 2396 and AR 2403 in August 2015, from Korolyov, Moscow Oblast, Russia (the weather was clear almost every day, but the atmospheric conditions were always different, so the clarity of the photos is different).

Camera: Canon EOS 60D with 2x Barlow lens, 640x480 video mode. Telescope: Sky-Watcher BK P2001 EQ5; filter from Baader AstroSolar visual film. Processing: RegiStax 5.1 (without resize).

It was very exciting to watch the daily changes in the structure of large sunspots, so I decided to make a collage showing the dynamics of these groups.

With best regards,

Filipp.
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Re: The dynamics of sunspots

Post by yltansg » Mon Jun 15, 2020 12:49 pm

Hi Filipp,

That is an outstanding collection showing the evolution of the ARs. I remembered them. Here is one of mine from that time:

Image

Alfred



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Re: The dynamics of sunspots

Post by Filipp Romanov » Mon Jun 15, 2020 12:54 pm

Hello Alfred,
Thank you, your images are good! I had the opportunity to photograph only in white light.



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Re: The dynamics of sunspots

Post by EGRAY-OBSERVATORY » Mon Jun 15, 2020 12:57 pm

Amazing archive material showing the relevant detail AR 2403 - which I remember.
The camera and the Solar film were more than capable of taking such WL images.

Alfred, well-nice 3-lines of light.
Thanks for sharing Filipp and Alfred.

Terry



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Re: The dynamics of sunspots

Post by Montana » Mon Jun 15, 2020 2:29 pm

Fabulous!! :bow :bow
you are very lucky to be able image the same spot over several days, I'm lucky to get one view of a big spot group ;)
Alexandra



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Re: The dynamics of sunspots

Post by DeepSolar64 » Mon Jun 15, 2020 3:48 pm

Very nice Filipp! Taken with a DSLR too!! I miss big sunspot groups like this.


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Re: The dynamics of sunspots

Post by marios i. » Mon Jun 15, 2020 4:44 pm

Fantastic!


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Re: The dynamics of sunspots

Post by Filipp Romanov » Mon Jun 15, 2020 5:04 pm

Thanks for your comments! In 2014, there were many large sunspots too. During that year, I watched (and photographed) the Sun 160 times, during which time I saw about 174 groups of spots.



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Re: The dynamics of sunspots

Post by rsfoto » Mon Jun 15, 2020 5:10 pm

Excellent images


regards Rainer

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Re: The dynamics of sunspots

Post by Filipp Romanov » Tue Jun 30, 2020 2:24 pm

Thank you Rainer, for your opinion about my photos.



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Re: The dynamics of sunspots

Post by marktownley » Wed Jul 01, 2020 7:27 pm

Nice shot! I got him too!
ar12396-Ha-Colour.jpg
ar12396-Ha-Colour.jpg (87.78 KiB) Viewed 73 times


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Re: The dynamics of sunspots

Post by Filipp Romanov » Wed Jul 01, 2020 9:07 pm

Thank you and you have a great image!



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Re: The dynamics of sunspots

Post by Carbon60 » Thu Jul 02, 2020 5:54 am

Ahhhh..... those were the days. Actual solar activity :).

Nice images, guys.

Stu.


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Re: The dynamics of sunspots

Post by Filipp Romanov » Thu Jul 02, 2020 8:14 am

I hope in a few years such a high solar activity will recur.



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Re: The dynamics of sunspots

Post by christian viladrich » Thu Jul 02, 2020 3:08 pm

It is very interesting ! This is great you were able to follow the evolution over some many days.

Here is an image taken probably arround the same day as your frame #6.
Image

We are missing these large sunspots ...


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Re: The dynamics of sunspots

Post by Filipp Romanov » Thu Jul 02, 2020 4:40 pm

Christian, thanks for sharing! I think if I were shooting not through visual solar film, but through photographic film, then detailing would be better.



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Re: The dynamics of sunspots

Post by christian viladrich » Thu Jul 02, 2020 6:22 pm

I was wondering whether there could be some loss of resolution with the 640x480 video mode ?


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Re: The dynamics of sunspots

Post by Filipp Romanov » Thu Jul 02, 2020 8:52 pm

I did not notice a loss of resolution when using this mode. In my comparison, the resolution is even better than with the 1920x1080 mode.



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Re: The dynamics of sunspots

Post by krakatoa1883 » Fri Jul 03, 2020 11:56 am

Great panel, Filipp, very interesting job.


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