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 »

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.


H-alpha, WL and Ca II K imaging kit for various image scales.
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by marktownley »

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 »

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


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MC/Canon 60D (Ha mod), SBIG STF8300/FW8, ONAG
Planetary Work - SBIG CFW10, ASI290MM/ASI462+ADC

8' Diameter Dome
MI250 Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Home Brew Lunt Double Stack/B1800Ha
WL & CaK Setup: Lunt WL Wedge or B1800CaK Wedge
Lunt LS80PT/LS75FHa/B1200Ha
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ASI1600MM, ASI174MM, ASI290MM, PGR Grasshopper Express
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by eroel »

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 »

Excellent image Stu.


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

Post by Montana »

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 »

Two beautiful images, Stu.

Franco


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

Post by pedro »

Excellent results Stu, well done


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

Post by oreoluna »

Excellent Stu

Jozef


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

Post by Carbon60 »

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.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 »

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 2399 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 2399 times
Hope this helps.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by xn44 »

Excellent!!!!


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

Post by Carbon60 »

Thanks, Pepe.

Colour version:

Image20190609_250RCT_Ha_colour by Stuart Green, on Flickr

Stu.


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Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by MapleRidge »

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


Brian Colville

Maple Ridge Observatory
Cambray, ON Canada

Photos: https://www.flickr.com/photos/185395281@N08/albums

10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MC/Canon 60D (Ha mod), SBIG STF8300/FW8, ONAG
Planetary Work - SBIG CFW10, ASI290MM/ASI462+ADC

8' Diameter Dome
MI250 Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Home Brew Lunt Double Stack/B1800Ha
WL & CaK Setup: Lunt WL Wedge or B1800CaK Wedge
Lunt LS80PT/LS75FHa/B1200Ha
Quark Combo Chromosphere,
ASI1600MM, ASI174MM, ASI290MM, PGR Grasshopper Express
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Ronnie_Clayton »

Incredible images, amazing details, congrats!

Ronnie


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

Post by Valery »

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


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

Post by MAURITS »

Excelllent result Stu.


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

Post by Carbon60 »

Many thanks, guys.
Much appreciated.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 »

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.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by marktownley »

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

Post by Carbon60 »

Hi Mark,

I think we’re all intrigued.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Carbon60 »

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.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by Valery »

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


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

Post by Carbon60 »

Looks great, Valery.

ImageRC250-H-a by Stuart Green, on Flickr

Thank you.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sunday Sun 9th June-Ha 250mm RCT

Post by ffellah »

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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