Sunday Sun 9th June-Ha 250mm RCT

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Carbon60
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Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Sun Jun 09, 2019 8:03 pm

An unexpectedly sunny Sunday morning after a really wet and windy Saturday. I thought I'd give the RCT a trial....

Basler acA1920-155um (IMX174)
Full size Aries tri-band ERF
SS Lunt 35 etalon
2.5x Barlow with red filter (Ha 7nm FWHM)

I found the red filter significantly beneficially boosted the contrast (albeit with a loss of image brightness). Much better with, but I guess it depends on the seeing conditions and the ability to freeze the action.

A little activity in the chromosphere:

Image20190609_250RCT_Ha1 by Stuart Green, on Flickr

Image20190609_250RCT_Ha2 by Stuart Green, on Flickr

These are the best of a dozen SER files.

Thanks for looking.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by marktownley » Sun Jun 09, 2019 8:08 pm

These are excellent Stu! I couldn't come anywhere close to this detail with the HaT today, the seeing was shot for me.
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by MapleRidge » Mon Jun 10, 2019 1:48 am

Great shot from the RCT Stuart :bow

Could you post a pic of how you mounted the etalon on the scope? I'm sure you posted it before but want to refresh my memory.

Thanks,
Brian
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by eroel » Mon Jun 10, 2019 2:46 am

Stu:
Nice trial shots, looks like with big scopes one has to learn a lot.
Best regards,
Eric.

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by MAURITS » Mon Jun 10, 2019 8:13 am

Excellent image Stu.
Regards,
Maurits

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Montana » Mon Jun 10, 2019 9:37 am

Well done :hamster: some nice detail in there Stuart :bow I am guessing the seeing will never be that good after a big storm front but at least you managed to view the Sun which was a better than me. By the time the Sun is over my trees in the morning it was already clouding up.

Alexandra

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by ffellah » Mon Jun 10, 2019 11:06 am

Two beautiful images, Stu.

Franco


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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by oreoluna » Mon Jun 10, 2019 4:53 pm

Excellent Stu

Jozef

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Mon Jun 10, 2019 5:17 pm

Many thanks everyone. I really appreciate your comments.
As I say, adding the red filter really made a huge difference, bringing up the contrast and making details really 'pop' . I'm wondering about adding a (dare I say it), Quark in place of the plain red filter.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Mon Jun 10, 2019 5:20 pm

MapleRidge wrote:
Mon Jun 10, 2019 1:48 am
Great shot from the RCT Stuart :bow

Could you post a pic of how you mounted the etalon on the scope? I'm sure you posted it before but want to refresh my memory.

Thanks,
Brian
Cheers, Brian

Here's the Lunt 35 mount
Lunt35 adapter (3).jpg
Lunt35 adapter (3).jpg (792.01 KiB) Viewed 739 times
and here it is in place in the back of the RCT (actually an earlier version, but it gives you the idea of how it fits)
36682467644_5dc5e6d68f_z.jpg
36682467644_5dc5e6d68f_z.jpg (131.19 KiB) Viewed 739 times
Hope this helps.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by xn44 » Mon Jun 10, 2019 6:01 pm

Excellent!!!!

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Mon Jun 10, 2019 8:51 pm

Thanks, Pepe.

Colour version:

Image20190609_250RCT_Ha_colour by Stuart Green, on Flickr

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by MapleRidge » Mon Jun 10, 2019 10:37 pm

Hi Stu...

I remember the configuration now that you posted it. I forgot how how long the completed assembly was, but it does produce excellent images.

Brian
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Ronnie_Clayton » Mon Jun 10, 2019 11:40 pm

Incredible images, amazing details, congrats!

Ronnie

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Valery » Tue Jun 11, 2019 1:54 pm

Very nice results, Stu!

BTW Can you send me the best raw stacked image? I guess it can be more deep processed with hope for more details seen.


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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by MAURITS » Tue Jun 11, 2019 3:25 pm

Excelllent result Stu.
Regards,
Maurits

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Tue Jun 11, 2019 5:45 pm

Many thanks, guys.
Much appreciated.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Tue Jun 11, 2019 5:48 pm

Valery wrote:
Tue Jun 11, 2019 1:54 pm
Very nice results, Stu!

BTW Can you send me the best raw stacked image? I guess it can be more deep processed with hope for more details seen.


Valery
Thanks, Valery.
I'll send an image via your private email account. I really appreciate the offer. It will be interesting to see what you can do.

Cheers

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by marktownley » Tue Jun 11, 2019 7:31 pm

Carbon60 wrote:
Tue Jun 11, 2019 5:48 pm
Valery wrote:
Tue Jun 11, 2019 1:54 pm
Very nice results, Stu!

BTW Can you send me the best raw stacked image? I guess it can be more deep processed with hope for more details seen.


Valery
Thanks, Valery.
I'll send an image via your private email account. I really appreciate the offer. It will be interesting to see what you can do.

Cheers

Stu.
Please do a detailed share of the processing routine you do please Valery! :)
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http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Tue Jun 11, 2019 7:55 pm

Hi Mark,

I think we’re all intrigued.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Wed Jun 12, 2019 5:28 am

Valery wrote:
Tue Jun 11, 2019 1:54 pm
Very nice results, Stu!

BTW Can you send me the best raw stacked image? I guess it can be more deep processed with hope for more details seen.


Valery
Hi Valery,

Image sent. Please confirm receipt. I’ve assumed the address I have for you is current.

Cheers

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Valery » Wed Jun 12, 2019 6:16 am

Carbon60 wrote:
Wed Jun 12, 2019 5:28 am
Valery wrote:
Tue Jun 11, 2019 1:54 pm
Very nice results, Stu!

BTW Can you send me the best raw stacked image? I guess it can be more deep processed with hope for more details seen.


Valery
Hi Valery,

Image sent. Please confirm receipt. I’ve assumed the address I have for you is current.

Cheers

Stu.
Hi Stu,

Please, check your post box. The processed image sent back.


Valery
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 » Wed Jun 12, 2019 4:42 pm

Looks great, Valery.

ImageRC250-H-a by Stuart Green, on Flickr

Thank you.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by ffellah » Wed Jun 12, 2019 5:22 pm

Hi Valery, Stu. Valery: would you mind sharing what software and settings you used to process/sharpen Stu's image ?

Thank you,

Franco

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