Full disks in Ha and CaK 25th June '20

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Carbon60
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Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Thu Jun 25, 2020 12:47 pm

Just a couple of FDs in Ha and CaK today.

6 pane mosaics.

Ha on a Lunt 60/Basler acA1920-155um/2.5x PowerMate:

Image20200625_Ha_FD_Mono by Stuart Green, on Flickr

Image20200625_Ha_FD by Stuart Green, on Flickr

CaK on a 125mm Tecnosky/Basler acA2440-75um:

Image20200625_CaK_FD_Mono by Stuart Green, on Flickr

Image20200625_CaK_FD_Colour by Stuart Green, on Flickr

It might be cloudy/raining tomorrow and over the next few days, so that could be it for a while. :(

Thanks for looking.

Stu.


Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
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More images at http://www.flickr.com/photos/solarcarbon60/

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Re: Full disks in Ha and CaK 25th June '20

Post by Montana » Thu Jun 25, 2020 1:21 pm

At least the little new AR was of interest today, these full discs are lovely :bow :hamster:

Why are you selling your Lunt 60, it is a good little doer?

Alexandra



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Re: Full disks in Ha and CaK 25th June '20

Post by rsfoto » Thu Jun 25, 2020 3:49 pm

Hi Stu,

Great work. That little filament which looks like a bridge has cycle 25 polarity :hamster:


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

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Re: Full disks in Ha and CaK 25th June '20

Post by eroel » Thu Jun 25, 2020 4:13 pm

Stu:
Beautiful clean and even mosaics, lucky you that has Sun, at my place is has been clouded and raining for days.
Best regards,
Eric.



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Re: Full disks in Ha and CaK 25th June '20

Post by JochenM » Thu Jun 25, 2020 5:29 pm

Looks good, Stu.



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Re: Full disks in Ha and CaK 25th June '20

Post by marktownley » Thu Jun 25, 2020 6:48 pm

Great captures Stu!


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Re: Full disks in Ha and CaK 25th June '20

Post by ffellah » Thu Jun 25, 2020 7:25 pm

By the book, Stu !

Franco :bow



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Re: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Fri Jun 26, 2020 5:35 am

Many thanks, everyone. 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: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Fri Jun 26, 2020 5:43 am

Montana wrote:
Thu Jun 25, 2020 1:21 pm
At least the little new AR was of interest today, these full discs are lovely :bow :hamster:

Why are you selling your Lunt 60, it is a good little doer?

Alexandra
Hi Alexandra,

It does work really well. My plan was to use the proceeds of the sale towards a high grade Solar Spectrum, but now I’m not so sure, especially given the apparent lack of interest in the scope. Still thinking on that one.

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: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Fri Jun 26, 2020 6:55 am

Here's the little AR in close up (150mm/DS Lunt 35/2.5x PowerMate).

Image20200625_Small Active Region by Stuart Green, on Flickr

The seeing was highly variable and not ideal at this scale, but I think the image came out okay with AS!3 doing its magic.

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: Full disks in Ha and CaK 25th June '20

Post by Montana » Fri Jun 26, 2020 7:09 am

:lol: my dream is for a Solar Spectrum too, I wish for a lottery win every night :) I am surprised nobody wants your Lunt 60 as it is tried and tested by an expert, what more could a second hand purchaser want!

Alexandra



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Re: Full disks in Ha and CaK 25th June '20

Post by dhkaiser » Fri Jun 26, 2020 12:42 pm

The FD's are looking good, nice Stu.


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Re: Full disks in Ha and CaK 25th June '20

Post by marktownley » Sat Jun 27, 2020 8:15 am

Nice addition Stu! Your 60 is a nice one, and tempted by the double stack etalon, but my money lately has been spent on hifi tweaking - today I take delivery of a upgrade platter for my turntable so I suspect I will be annoying Fiona with a weekend of listening to records :D


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Re: Full disks in Ha and CaK 25th June '20

Post by marios i. » Sat Jun 27, 2020 9:12 am

Beautiful images Stu!


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Re: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Sun Jun 28, 2020 5:30 am

marktownley wrote:
Sat Jun 27, 2020 8:15 am
Nice addition Stu! Your 60 is a nice one, and tempted by the double stack etalon, but my money lately has been spent on hifi tweaking - today I take delivery of a upgrade platter for my turntable so I suspect I will be annoying Fiona with a weekend of listening to records :D
Two expensive hobbies, Mark........I hope the upgrade has delivered the improvements you were looking for. :)

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: Full disks in Ha and CaK 25th June '20

Post by marktownley » Sun Jun 28, 2020 6:42 am

Carbon60 wrote:
Sun Jun 28, 2020 5:30 am
delivered
Guess I will have to find out next week. Seems Royal Mail 24 hours tracked and sent thursday, you might think arrives friday, or at the latest saturday, but no it looks like it's going to be monday... Royal Fail as I like to call them :(


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Re: Full disks in Ha and CaK 25th June '20

Post by christian viladrich » Mon Jun 29, 2020 6:12 pm

Beautiful FD, Stu.
I was wondering whether you could include an animation in order to compare easily the Ha and Ca K FD images ?


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Re: Full disks in Ha and CaK 25th June '20

Post by p_zetner » Mon Jun 29, 2020 6:22 pm

Really nice full disks, Stu.
You do a great job of getting uniform illumination across your mosaics. Do you flat field the individual frames?
Cheers.
Peter



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Re: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Mon Jun 29, 2020 8:04 pm

christian viladrich wrote:
Mon Jun 29, 2020 6:12 pm
Beautiful FD, Stu.
I was wondering whether you could include an animation in order to compare easily the Ha and Ca K FD images ?
Hi Christian,

I’ll give it a go. :) I’m not sure how well they’ll align (rotationally), so there might be some tweaking involved to get it right.

Stu.
Last edited by Carbon60 on Mon Jun 29, 2020 8:12 pm, edited 1 time in total.


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: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Mon Jun 29, 2020 8:10 pm

p_zetner wrote:
Mon Jun 29, 2020 6:22 pm
Really nice full disks, Stu.
You do a great job of getting uniform illumination across your mosaics. Do you flat field the individual frames?
Cheers.
Peter
Thanks, Peter.

My mosaics can be a bit hit and miss. No flats, just strong overlaps (why do four panes when six will do)? Sometimes I do get patches showing up if my Ha tuning is a bit off and the individual panes are not as even as they should be. I really persevered with this one ;)

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: Full disks in Ha and CaK 25th June '20

Post by Carbon60 » Tue Jun 30, 2020 7:52 pm

Carbon60 wrote:
Mon Jun 29, 2020 8:04 pm
christian viladrich wrote:
Mon Jun 29, 2020 6:12 pm
Beautiful FD, Stu.
I was wondering whether you could include an animation in order to compare easily the Ha and Ca K FD images ?
Hi Christian,

I’ll give it a go. :) I’m not sure how well they’ll align (rotationally), so there might be some tweaking involved to get it right.

Stu.
Hi Christian,

Animated CaK/Ha transition.....

Image20200625_Ha_FD 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: Full disks in Ha and CaK 25th June '20

Post by christian viladrich » Thu Jul 02, 2020 3:14 pm

Thanks Stu,
Some of the bright areas visible in Ca K are visible in Ha, other ... not.


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http://www.astroplanetes.com/
Co-author of "Astronomie Solaire"
http://www.astronomiesolaire.com/

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