first image what would you improve (couple tiffs added for anyone to play with)

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first image what would you improve (couple tiffs added for anyone to play with)

Post by iwols »

first image ,how can i improve thanks

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Re: first image what would you improve

Post by Rusted »

Post your image as a jpeg? ;)

colour sun 28mb resize to jpeg.jpg
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Re: first image what would you improve

Post by marktownley »

Nice first image! I'd probably go for a slightly different colour myself. What does the monochrome version look like?


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Re: first image what would you improve

Post by MAURITS »

The image looks okay but the color is a bit strange ☺️


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Re: first image what would you improve

Post by iwols »

marktownley wrote: Sat Aug 13, 2022 6:53 am Nice first image! I'd probably go for a slightly different colour myself. What does the monochrome version look like?
thanks heres the monochrome version
no colour.jpg
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Re: first image what would you improve

Post by AndiesHandyHandies »

Hi

A description of the kit used and processing tools used and processing steps taken would help to guide advice.

Cheers. Andrew.


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Re: first image what would you improve

Post by iwols »

ok. 100mm ts optics quad with quark stepped down to 72mm,with 75mm baader erf,stacked in autostakert ,wavelets adjusted in registax and processed in photoshop cheers


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Re: first image what would you improve

Post by DeepSolar64 »

I like the monochrome version better. It's brighter!


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Re: first image what would you improve

Post by rigel123 »

The monochrome wins hands down, the details are sharper, much more pleasing to the eye.


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Re: first image what would you improve

Post by Carbon60 »

Nice first image (in mono). Did you ensure that the image was absolutely in focus?

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Re: first image what would you improve

Post by Montana »

That's a terrific first image, keep up the good work :bow :hamster: I do prefer the mono, but lime green is lovely too :)

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Re: first image what would you improve

Post by iwols »

thanks guys think my processing skills need a lot of work,ive added both stacked original tiffs if anyone fancies showing me what i can aim for cheers

https://www.dropbox.com/s/lxw22hzai8aua ... d.tif?dl=0

https://www.dropbox.com/s/q21wfcj87gprd ... d.tif?dl=0


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Re: first image what would you improve

Post by DeepSolar64 »

iwols wrote: Sun Aug 14, 2022 2:55 pm thanks guys think my processing skills need a lot of work,ive added both stacked original tiffs if anyone fancies showing me what i can aim for cheers
Hey, you are not alone here. Mine needs work too. But we will move forward and learn together here on SolarChat.

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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by iwols »

anyone fancy a go ?


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

Hi iwols,

Yes, I downloaded the two files from Dropbox and I will have a go ! I will post it as soon as I got them. Nice data from first look.

Magnus


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

Hi iwols,
I have tried to deconvolute and sharpen in ImPPG, in either normal or inverted versions, and am getting quite a bit of noise. Did you have the same problem. I can try again later, but it seems noisy. How many frames did you stack, and what was the gain/exposure time ?
What camera was it as well ?

Magnus


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by marktownley »

Yes, same here, really noisy!


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Re: first image what would you improve

Post by rsfoto »

iwols wrote: Sun Aug 14, 2022 2:55 pm thanks guys think my processing skills need a lot of work,ive added both stacked original tiffs if anyone fancies showing me what i can aim for cheers

https://www.dropbox.com/s/lxw22hzai8aua ... d.tif?dl=0

https://www.dropbox.com/s/q21wfcj87gprd ... d.tif?dl=0
Hi,

For me everything starts with the raw material and in this case the Raw material are the images as they come out of the camera ...

For me a Tif is already a continuation of this and already manipulated by you.

For me it would be better to have the videos and so take a look at them ...

Another thing is that inverted images are hard to judge.

Look like there is a new trend in Solar imaging because lately a lot of inverted images are presented and honestly I do not like inverted images ... but OK, it is a question of taste. I admit at the very beginning of my Solar imaging I also made inverted images but just out of curiosity but then I stopped as I started to find them ugly ... for my taste ... No offense meant to anybody ...


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

Hi,
You have developed 2 images: 1 of proms (high exposure) and one of the limbs+proms.
I have found you can get decent images of the proms from only one balanced exposure which shows the disc+proms.

You can bring out the proms with an appropriate change in the tone curve applied in ImPPG. There are some videos on the web which show you this.
One example you can use is Woodlands Hills and Cameras (Simon Tang) and I think AZAstroguy (Mark Johnson, 100mm Lunt Double stack telescope) may also demonstrate this in some of his Solar processing videos (do a search on Youtube).

But this is a good first attempt !

Magnus


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by RodAstro »

Hi I had a go

Yes image is really noisy probably to much gain, I did the opposite in ImPPG and backed off to smooth out the noise.
I then used unsharp mask in Ps6 with a bit of threshold so I didn't resharpen the noise, I tend to over do the unsharp mask so then use Gaussian blur to bring it back a bit.
I also cropped the light surface areas with lasso and darkened them to flatten the surface.
I used the magic wand to select the prom area (a little to much spinicules) and brightened the proms.
Original capture was probably a little to bright (gain) I go for about 60-70 percent on the histogram in fire capture as I find it easier to brighten the image.
Deconvolution is terrible for sharpening noise, turn it off if the image is noisy.
I didn't use the prom exposure.
I also don't like negative images sorry.

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14_25_55_lapl6_ap2390ed ImPPG Ps6 crop contrast.jpg
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14_25_55_lapl6_ap2390ed ImPPG Ps6 crop contrast Colour.jpg
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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

Hi iwols,

Here is my attempt. I only did 2 passes of high pass filter on the disc only, colourised it;; I applied a curves enhancement on proms and then colourised proms+spicule edge separately. Then applied filter: despeckle to reduce noise.

Magnus
14_25_55_lapl6_ap2390ed-V1-Magnus.jpg
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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by iwols »

Hi some great advice here and images thanks, heres a link to the original ser files and camera settings thanks


https://www.dropbox.com/sh/y1imdrj8zygk ... qd3ga?dl=0


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by DeepSolar64 »

WoW, nice processing Magnus!! Maybe you can do mine next time. 😊


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

DeepSolar64 wrote: Tue Aug 16, 2022 12:43 am WoW, nice processing Magnus!! Maybe you can do mine next time. 😊
Hi DeepSolar64/James,
Thanks! I think I am getting better at my processing skills. I have to develop my skills in blending different layers and sharpening...still more to improve on.
Happy to help if I can DeepSolar/James.

Magnus


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

Hi,
Your limb+proms .SER file was: Gain=247
Exposure=5.6260ms;; FPS=26

Your proms .SER file was: Gain=400
Exposure=5.6260ms;; FPS=13

I think the problem was: gain was too high. Exposure can be increased up to about 10ms or slightly more.
Your higher gain makes the images noisier.
Also: your FPS is slow.
Question:

What laptop are you using ? Processor ? and what hard disc. I think a fast SSD (NVME M2.SSD) is vital to get to the next level. I found this out. A slow hard disc cannot capture images fast enough. No matter how good your filter and setup work, you will not get the data you need.

Magnus


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by iwols »

Radon86 wrote: Tue Aug 16, 2022 8:28 am Hi,
Your limb+proms .SER file was: Gain=247
Exposure=5.6260ms;; FPS=26

Your proms .SER file was: Gain=400
Exposure=5.6260ms;; FPS=13

I think the problem was: gain was too high. Exposure can be increased up to about 10ms or slightly more.
Your higher gain makes the images noisier.
Also: your FPS is slow.
Question:

What laptop are you using ? Processor ? and what hard disc. I think a fast SSD (NVME M2.SSD) is vital to get to the next level. I found this out. A slow hard disc cannot capture images fast enough. No matter how good your filter and setup work, you will not get the data you need.

Magnus
thanks i am using a very quick laptop the fps is probably due to my scope being in my obsy at the bottom of the garden and everything runs through usb over lan.maybe as you say i should increase my exposure time to decrease my gain ,i tended to keep it around 5/6 ms and adjust the gain to get about 70-80 0n the hystogram probably the wrong thing to do thanks


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by Radon86 »

Hi iwols,
Why not connect your camera directly to the laptop ? Any other connection will render it much less effective.

Magnus


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by DeepSolar64 »

Thanks Magnus.


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by iwols »

Radon86 wrote: Tue Aug 16, 2022 1:22 pm Hi iwols,
Why not connect your camera directly to the laptop ? Any other connection will render it much less effective.

Magnus
Hi Magnus
i find it easier to see the laptop from inside my house,and i have full control as well(focus/mount etc) when outside i really struggle with the focusing cheers


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by marktownley »

I had a play with the original SER file, stacked 128 and got this after a bit of mauling...
quark.png
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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by iwols »

marktownley wrote: Wed Aug 17, 2022 7:06 pm I had a play with the original SER file, stacked 128 and got this after a bit of mauling...

quark.png
thanks Mark that looks a lot better than mine think i need a bit more practice both aquiring and processing my images but overall im happy with the srart cheers


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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by rsfoto »

Hi,

I finally took a bit of time and here is my result processing your ser files in the same way I process my AVI files.

The prominence result is very noisy. as somebody already said crank down a bit your gain and increase a bit the exposure time.

I did not do anything in Photoshop and there is also too much noise.

Iwols_14_25_55_500_2_pp.jpg
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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by rsfoto »

Hi,

I did take a second chance on it and tweaked it a bit to my liking :roll:

The noise kills lot of detail.

Iwols_v2_14_25_55_500_2_pp.jpg
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Re: first image what would you improve (couple tiffs added for anyone to play with)

Post by DeepSolar64 »

Noise is certainly a detail killer. Right there, Rainer. I often have noise issues on single frame captures. Stacked images are better.

JP


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