Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

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Fabio_Imm
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Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by Fabio_Imm » Tue Feb 23, 2021 12:05 pm

Hello,
Given the newly formed sunspots, I scheduled a really quick imaging session (no time for H-alpha).
Very calm atmosphere but transparency wasn't exceptional.

During the last Zoom meeting I took notes ;) and this time I tried to apply some of the acquisition advices discussed.

Ca-k Full disk
ImageCak__2021-02-23_T3 by Fabio Immovilli, su Flickr

Close-up of AR 2804
ImageCak__2021-02-23_T2 by Fabio Immovilli, su Flickr

Close-up of AR 2805
ImageCak__2021-02-23_T1 by Fabio Immovilli, su Flickr

Finally, WL images of the same ARs

AR 2804
ImageWL__2021-02-23_T1 by Fabio Immovilli, su Flickr

AR 2805
ImageWL__2021-02-23_T2 by Fabio Immovilli, su Flickr

Technical data.

Ca-k setup: C80ED + Lunt Ca-k module 1800

WL photographic setup: C80ED + 2" UV/IR cut + 2" Baader solar continuum (on 80mm extension tubes) + ND3 filter & 2x barlow on camera nose

Camera:
Basler acA1920-155um

Software:
Genika + Autostakkert + Registax 6 + Microsoft ICE for image stitching


Cheers and CS!

Fabio



Fabio_Imm
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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by Fabio_Imm » Tue Feb 23, 2021 3:17 pm

Hello,
Finished processing another set of close-up in WL, obtained with a 5X barlow
That was a bit of a stretch, since they didn't end up very crisp.

ImageWL5x__2021-02-23_T6 by Fabio Immovilli, su Flickr

ImageWL5x__2021-02-23_T5 by Fabio Immovilli, su Flickr

Cheers

Fabio



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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by Montana » Tue Feb 23, 2021 4:12 pm

Wow!! these are lovely :bow :hamster: AR12805 is a very complex active region

Alexandra



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dhkaiser
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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by dhkaiser » Tue Feb 23, 2021 5:03 pm

Looking real good.


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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by marktownley » Tue Feb 23, 2021 8:20 pm

Looking great there Fabio!


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DeepSolar64
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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by DeepSolar64 » Tue Feb 23, 2021 10:06 pm

Excellent work Fabio! All show really nice detail. 👍🏻


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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by MapleRidge » Wed Feb 24, 2021 12:18 am

Beautiful image Fabio...well done :bow

Brian


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Re: Feb, 23 2021 - Sun in WL and Ca-k (AR2804 & AR2805)

Post by JochenM » Wed Feb 24, 2021 5:24 am

Looks like those notes were spot on! ;)

Nice work.



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