17th December lunchtime view

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Montana
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17th December lunchtime view

Post by Montana »

It was sunny this morning and this time I was working from home, however by lunchtime it was a bit dodgy. I managed a full CaK image but only managed the bottom half of the H alpha before it clouded up :(

Halpha and CaK PST / 2x Barlow / ASI174

Image2021-12-17 CaK solar disc f colour by Alexandra Hart, on Flickr

Image2021-12-17 CaK solar disc by Alexandra Hart, on Flickr

ImageSun_130009_17_12_2021_f colour by Alexandra Hart, on Flickr

ImageSun_130009_17_12_2021 by Alexandra Hart, on Flickr

I think I counted about 36 spots on my CaK image ;) so not so hi res :)

Alexandra


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Re: 17th December lunchtime view

Post by EGRAY_OBSERVATORY »

The CaK images are exquisite and show so much of the detail (as well as my fav too)..
The Ha certainly show the surrounding activity very well indeed and the chances of flares are excellent.
AR2011 has already joined in flaring today...

Thanks for sharing
Terry


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Re: 17th December lunchtime view

Post by Carbon60 »

Great images, Alexandra. I had the same issues with variable conditions. It took four attempts at a Ha FD mosaic with at least one pane getting clouded out part way through each time.

Stu.


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Re: 17th December lunchtime view

Post by ffellah »

A great set, Alexandra ! Love your CaK, it is so sharp. I wish the conditions were better here, but it was a treat anyway to image this amazing activity of the sun.

Franco :bow


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Re: 17th December lunchtime view

Post by DeepSolar64 »

Very nice Alexandra!! I am so glad to see you get in on the action!! 😊👍🏻👍🏻

James


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Re: 17th December lunchtime view

Post by jacinto »

Great and beautiful images Alexandra !!!


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Re: 17th December lunchtime view

Post by rigel123 »

Great disks Alexandra!


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Re: 17th December lunchtime view

Post by Martin_S »

Great Imaging Alexandra. It's great that you managed to capture the sunspot group.

Martin


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Re: 17th December lunchtime view

Post by Montana »

Thanks everyone, nothing but grey today (as usual for a weekend!)

Alexandra


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Re: 17th December lunchtime view

Post by DeepSolar64 »

Montana wrote: Sat Dec 18, 2021 1:11 pm Thanks everyone, nothing but grey today (as usual for a weekend!)

Alexandra
Sorry Alexandra. So far I have the same here.

JP


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Re: 17th December lunchtime view

Post by eroel »

Alexandra:
A very nice lunch session.
Thanks.
Eric.


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Re: 17th December lunchtime view

Post by RKBerta »

Montana wrote: Fri Dec 17, 2021 7:17 pm It was sunny this morning and this time I was working from home, however by lunchtime it was a bit dodgy. I managed a full CaK image but only managed the bottom half of the H alpha before it clouded up :(

Halpha and CaK PST / 2x Barlow / ASI174

Image2021-12-17 CaK solar disc f colour by Alexandra Hart, on Flickr

Image2021-12-17 CaK solar disc by Alexandra Hart, on Flickr

ImageSun_130009_17_12_2021_f colour by Alexandra Hart, on Flickr

ImageSun_130009_17_12_2021 by Alexandra Hart, on Flickr

I think I counted about 36 spots on my CaK image ;) so not so hi res :)

Alexandra
Very nice....sadly our skies are clouded out here in Michigan, USA


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Re: 17th December lunchtime view

Post by banjo »

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Re: 17th December lunchtime view

Post by marktownley »

Both of these are excellent Alexandra!


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Re: 17th December lunchtime view

Post by Radon86 »

Nice work Alexandra!
:band
Was this all from the PST ? I thought the PST was H-alpha only.
Or do you insert a Ca-K filter into the PST ?
How do you get the purple colour from mono images ?

Thanks
Magnus


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Re: 17th December lunchtime view

Post by Montana »

Thanks guys :)

Magnus, many moons ago Coronado made a CaK PST too :)

They sit as a pair on my Merlin mount for winter viewing from the upstairs bedroom window :)
ImageCaK PST + DS Ha PST by Alexandra Hart, on Flickr

The purple is variable, sometimes I go for pink, it depends on my mood :) In Photoshop you go to 'Image - adjustments - Colour balance' I usually use the blue and red in the midtones to get the purple to my mood (make sure the image is set to RGB first).

I hope this helps :)

Alexandra


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Re: 17th December lunchtime view

Post by arnedanielsen »

Very nice lunch-session, Alexandra!

Best regards,
Arne


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Re: 17th December lunchtime view

Post by DeepSolar64 »

I like that mount Alexandra. I have never heard of it. Is it still made?


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Re: 17th December lunchtime view

Post by Montana »



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Re: 17th December lunchtime view

Post by Radon86 »

Thank you Alexandra,
Very helpful.

Looks like I will have to read that Solar Astronomy book..

Magnus


Solar: H-alpha": Quark Chromosphere filter; Baader white light filters
Scopes: Altair Astro Travel ED70mm (F 420mm, D=70mm);; Skywatcher 90mm (F 910mm D=90mm); GSO focuser;;Altair Astro 60mm guidescope (D=60mm,F=225mm)
Cameras: ASI120mm-S,ASI174mm
Mount: SW HEQ5 Pro, SW EQ3 Pro Synscan (SW = Skywatcher),Vixen Polarie tracker (portable setup)
Accessory: SW Auto-focuser
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