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Workflows for STC Astro DUO Filter
Your image is promising, it will shine with details when more signal is added. Eager to see the final image!
The best way to do that: shoot (many) more OIII images.
Your setting looks fine for me. @vincent-mod could you share some ideas about this? Does it due to un-support bayer matrix?
(btw Tanveer, could you still get good image from 'HaOIII color' algorithm?)
Not really as I never used such a filter myself. I can help more if you share the raw data to see if I can process them correctly, I can then make a clearer workflow maybe. You can upload data to our APP server: server with login/password: appuser
Please create a folder with your name on it first, thank you.
Besides that, more data always helps, the OIII is a bit less bright as Ha if I'm not mistaken on this object. But let's have a look at the data first.
I have made folder tsk1979 with 3 subfolders
1. Veil Nebula Ha-OIII
2. Andromeda Ha-OIII
3. Dark frames (For both)
Files are uploading. I see them in the Upload Queue (Uploading at 12Mbps currently). I started with Veil Nebula upload
So I started processing your duo-filter images. The darks you uploaded I didn't use as these weren't the raw files (tifs actually). Do you have bias as well? Would be nice to have darks and bias in raw format as that's always the best place to start out with.
Anyway, I went on with first extracting the H-alpha and stacking and processing those first. After which I re-did it, but this time selecting to extract O-III, APP then asks to re-normalize the subs and you select to do so. In both cases I opted to stack 50 out of the 63 frames and I stacked with the quality weights, 1st degree LNC 3 iterations, MBB 5% and MAD sigma clipping 2,5 with 2 iterations. The resulting stacks were combined in the "combine RGB" tool, by adding H-alpha to H-alpha, O-III to O-III and then again O-III to green. The combined image I calibrated the background of, did star color calibration, cropped it a bit, saturated and sharpened and this is what I got out of that in the end;
There are some artefacts which look like hot-pixels that weren't removed. Probably as I didn't calibrate the subs (and they seem to be the same lines you have in Andromeda, leading me to think the calibration data might have an issue). But the main issue is solved it seems.
SO after you finished integration with first Ha set, did you remove the calibrated frames and then redo, because app was asking me whether I want to overwrite yes/no
It will be great to have a small PDF with screenshots for commonly used workflows and settings. Will really help us users.
No it doesn't as when you change to "extract OIII" in the 0-tab, the resulting files will have "HAOIII-HA" or "HAOIII-OIII" in the filename. I'm now suspecting you didn't change the setting in the 0-tab..
A PDF is being made for the entire program by Mabula. When it's released I don't know myself.
I did so. But still my Ha integ came out red instead of black and white.
I will try this again and document the specs in a single PDF and share.
I DID IT!!!
Here is the final result. Attaching PDF with steps
I downloaded Pixinsight Trial too and gave it a whirl (Half Hearted I must say). Did not get to actual processing.
Don't feel the need. Am buying APP. Just wondering if any deals or coupon codes come now and then so I can snag a discount 😀
That said @vincent-mod and other developers/mods, will it help if I keep sharing Duo Filter data with you for improving the tool. I am not doing it for freebies, just want the program to get better :).
Would love to have a one step dummy mode where you load lights darks etc., tell tool what type of image, and then press one button to go through all the steps. After all, 90% of all processing is anyways done with default options. Maybe give some more options to tweak before clicking do everything button!
Thanks for choosing APP! As far as I know there aren't deals or coupon codes, sorry.
A 1 button does all is kind of the idea behind APP. Compared to PI it already has that for many steps and Mabula is always going to try to make that as easy as possible whilst maintaining top quality. Unfortunately it's not really possible to have literally everything behind a button as data varies an enormous amount between setups and require some tweaking. It could be an idea to have like case scenarios with preset settings, and ofcourse saving the settings would be nice and Mabula has that on his to-do list.
Hi. Jumping on the topic - tried that very same workflow, and have an issue with it. Did all the steps until integration of the Halpha layer. But when I switch back to 0. LOAD, and change the algorithm to H alpha - OIII extract OIII, APP does not ask me to renormalize.
If I normalize, then integrate at that point, I have in fact the exact same signal as in my H alpha integration...
There must be something I'm doing wrong, but nothing I try seems to do the trick. Any idea?