Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

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Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by arnedanielsen »

Dear friends,

Some closeups of active regions in H-Alpha from May 18th 2024.

Click on images to view them in full size on AstroBin.

The recordings where obtained using a using a iStar Asteria TCR 204-12 R35, with an Altair Astro 115mm TRIBAND H-Alpha D-ERF, Baader 35nm H-Alpha, Baader SunDancer II 3x Telecentric System TZ-3S, DayStar Quantum 0,4å PE and Player One Apollo-M Max mounted on a Sky-Watcher AZ-EQ6 PRO and guided with Hinode SolarGuider.

AR13683
Image


AR13674
Image


AR13679
Image


AR13685
Image


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Arne
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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by ffellah »

Superb closeups and processing, Arne. First two have my favorite processing.

Franco :bow


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by eroel »

Arne:
Superb clean crisp images.
Thanks and best regards.
Eric.


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by pupak »

Excelent details, Arne.
Petr


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by KMH »

Terrific images and processing!

Kevin


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by marktownley »

Great shots with the big scope thanks Arne!


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by arnedanielsen »

Thank you very much Franco, Eric, Petr, Kevin and Mark!

Franco: I think the difference is mostly down to varying seeing. All images are a stack of 200 images and ran through iMPPG with the same amount of sharpening. Contrast stretching was done individually in PhotoShop.


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by Martin_S »

Great hi res imaging Arne, thanks for sharing .

Martin


H alpha : ,Skywatcher 120mm F8 open frame refractor, a tilted 2" 7nm H-alpha filter as a sub energy rejection filter, Baader TZ4 telecentric focal extender, Player One energy rejection filter, Combo Quark Chromosphere, Naked PST etalon for double stacking, ASI74mm camera
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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by rsfoto »

Excellent images with very fine sharp details


regards Rainer

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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by arnedanielsen »

Thank you very much for your kind comments Martin and Rainer!


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by DeepSolar64 »

Very nice work Arne. 204mm...WoW!!


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by vineyard »

Outstanding. You should use that setup more when seeing allows.


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by nicspenceryork »

So interesting to see the beautiful results with your large aperture scope.
Nic


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by rigel123 »

Excellent session Arne!


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Re: Closeup of selected AR in H-Alpha using the 204mm refractor 18th of May 2024

Post by arnedanielsen »

Thank you very much for you kind comments everyone! Much appreciated!


Best regards,
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