Ultimate Pixinsight RGB Processing Tutorial incl. SPCC
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- čas přidán 1. 12. 2022
- The ultimate PixInsight Processing Tutorial including the new SPCC process. This tutorial covers the RGB workflow and should be used in combination with the already release star processing workflow: • Pixinsight Star Proces...
Process overview used in this video + a new one which includes BXT can be downloaded on my Patreon page: www.patreon.com/user?u=83665984
If you buy any equipment you may consider these two shops - by using the links below you support the channel:
Agena Astro: agenaastro.com/?rfsn=7982331....
High Point Scientific: www.highpointscientific.com/?...
Further links of topics covered in the tutorial:
Bills Methods Repositories:
drive.google.com/drive/folder...
drive.google.com/drive/folder...
drive.google.com/drive/folder...
Bills Channel with tutorials of his processes: / @anotherastrochannel2173
StarXTerminator: www.rc-astro.com/resources/St...
NoiseXTerminator: www.rc-astro.com/resources/No...
#pixinsight #tutorial #astrophotography
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Music credits:
ORBITAL_StriKe by B E T T O G H | / bettogh
bettogh.bandcamp.com | open.spotify.com/artist/3zDlq...
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Creative Commons Attribution 3.0 Unported License
creativecommons.org/licenses/... - Věda a technologie
Sir, you have single handedly revolutionized my processing of images. Thanks.
Yes good to make a series of tutorials of how to combine the scripts and processes from start to finish on data.
This series will be very important as this has not really been done elsewhere…looking forward this approach.
A fantastic tutorial, thank you! As a Pixinsight newbie, I learned a lot of it and I'm looking forward for the next tutorials :)
Love your tutorials. Please keep up the great work!
The workflow is great. Thanks very much. I still have to learn the hyperbolic part ;-). I took your suggestion and modified it, I weaken the stars in front of the nebula.
Thanks for your Amazing work!
Manuel
Well done !!! as always and straight !!!
Thank you again 👍
Great tutorial 👍👏👏
You have set a new standard and very high bar!
Just one question - when, if at all, do you use the Colour option in the GHS script/process?
I have seen others use this, or do you prefer to just use Colour Calibration and Curves, after you finish with the GHS stretch?
I greatly look forward to the next videos!
Thanks - happy you like it!
When it comes to color, I would either suggest to work completely separate with the different color layers and hence stretch them separately - and I will cover that in the Narrowband tutorials to come - or to use Color Saturation to influence the colouring intensity.
But the baseline is obviously set by the SPCC - and from that perspective we have now the most accurate color calibration option. All the rest is personal taste and interpretation.
One last point when it comes to color and stretching - if you really want to push the colours use the ArcSinh Stretch, as shown in my Star Tutorial.
Brilliant! 2 yrs working with PI and astrophotography, watching dozens of tutorials and this is the best end-to-end processing guide I’ve seen. For your back focus issue in the upper right, could it be tilt? I thought backfocus issue would be consistent across the image. I ask because my new ‘scope is having the exact same issue and about same size but in the upper left. I’ve rebuilt the backfocus several times with no luck too! Looking fwd to the next iterations of this workflow. Cheers!
Thanks for the great feedback - keeps me going!!!! About the back focus/tilt issue, I would be happy to know what it is.... I think its a bit of both and yes, perhaps I need first to correct the tilt before I can adjust the backfocus....
[General Comments] Very nice to review this after taking the EASY 1-2-3 series to really understand the ins and outs of the OSC (color) workflow. Learned about parameters and tweaks in SPCC and guess what the end blew me away - as I have been using (lazy me) just the star + starless PixMath equation - now I will be using Sascha's recommended formula. I love the way that Sascha explains the trade-offs.
[Question] Sascha, regarding Unsharp - I found that even the slightest application "Unsharp" re-introduces noise to the image, this bothers me as it comes at the end and usually I've done all my denoising... I've played with the parameters to see if I can strike a balance - but it's hit or miss (i.e., I am just guessing) and wanted to know if there is a more methodical approach to do the sharpening at the end with the "Unsharp" tool?
On one side you can use masks to only sharpen the objects and not the background. On the other site I do not use unsharp at all anymore. I feel that BXT gives me all the sharpness that I need. And if I want still a bit more crispness, I use Local Histogram Equalisation.
very clear...great tutorias as usual! in your workflow chart I do not see BXT?
That was recorded prior to BXT
Sascha..Great video..as usual. I would assume that one could substitute GraXpert for DBE and BlurExterminator for Background Neutralization if that was my preference.
GraXpert and DBE or interchangeable - whatever you like better... Background Neutralisation is included in SPCC and has not to be done separately anymore. BXT kind of replaces any star reduction method and also Unsharp Mask.
Great Video, great tutorial :) , on the links from Bill i dont find the scnr pixelmath,
Sorry for that. I added it in the description and here it is too: drive.google.com/drive/folders/1aoD8NGH6Tt6m0c2hNyPVQ5j-bONpXlUI
This tutorial was absolutely amazing! I learned so much from it. Thank you! I didn't see HDR Multiscale Transform in your workflow. Do you think it would make much of a difference or would it be redundant? I usually use it before Local Histogram Equalization. In what scenarios would you recommend HDR?
Happy you liked it! I feel that you can achieve with GHS the same as with HDR but in a more controlled way - so I usually don't use it.
@@viewintospace Thank you kindly!
Hi, Sascha, thank you for another great tutorial. I tried to use StarNet at the stage where you indicated it in your workflow, but it seems that it does not work on a non stretched image. I got the 30 day free trial license for the StarXTerminator and it works indeed on a non stretched image. I am not sure if there is a work around this issue for those using StarNet, short of stretching the image before removing the stars.
I don't know about StarNet but StarNet++ can be applied on linear images and it is free. Get more information incl. how to install it here: astrobackyard.com/starnet-astrophotography/
Fantastic tutorial as with all of your videos! Since you are using Bill Blanshan's SCNR, you should also consider his other scripts for RGB star combination back to the starless image. If you have already considered that, any reason you are not using those? He also has star reduction scripts that are fantastic. Maybe you can do a version of this video with those scripts incorporated.
Thanks! Happy to hear!!! I use all of Bills processes, I'm a huge fan of his work. If you look at my recent star tutorial - czcams.com/video/uw_88wD2NWM/video.html - , I utilized the Star Reduction Method of Bill. In this tutorial here we did not deal with the stars, so this is why it had no appearance. When it comes to the star combination method, I did compare it to my PixelMath method in the Star tutorial, and found that both came to the same result. And this makes also sense. Then when you go RGB or H-O-O, the color scheme of the nebula does not drastically change and so the stars are fitting in perfectly fine in their original color. But when you do the Hubble palette, the star color needs to change so that they fit in, and for this purpose Bill made this star combination script.
Makes perfect sense. I just watched your other video and see you used Bill's other script there. The star processing video is also very good! I had recently started processing stars separately and found your video very helpful to improve my process. Thanks for putting out such great content. There are not very many series like this where it is concise and thorough with deeper insights on the controls within the various Pixinsight process panels.
Sasha, thank you for a wonderful lesson and a great video explanation. Please tell me you say you don't use standard SCNR. And you use a script for PixelMath. How to add a script file to PixelMath? What and where should I paste or copy? Thank you!
Just double-click it with PixInsight open and it will appear on the working area.
@@viewintospace thank you!
May I ask why do you use range mask rather than L mask? I myself sometimes find L mask effect looks much more smooth and natural
Thanks - good tip! I will surely try that.
Hi Sascha, congratulations for your videos.
If I understand correctly by looking at your tutorials on pixinsight
it is helpful to buy the following software
1) noisexterminator
2)ghs
3)starxterminator.
Blurxterminator no need to buy it, right?
Hi Alessandro GHS is free! This video was shot in the pre-BXT area but in the present it is a must. So I recommend to buy all three X-terminators. Best investment you can make - it really boosts your pictures!
Hi Sasha, I was following this tutorial of yours. I purchased the three Xterminators but I didn't understand how I can integrate the bluexterminator into the workflow. Have you created a more up-to-date full tutorial containing all the xterminators?
I have some strange artefacts (spots) in my image when using NoiseXTerminator after StarXTerminator.
Do NXT first and then SXT - I would assume that should solve the issue
I appreciate this tutorial a lot. Sascha is completely ignorant of the filter setups for each individual object. Now, I'm not sure the same reasoning holds true for globular clusters.
Additionally, I looked through a lot of stacking tutorials on CZcams, but the only one that produced good results for me was Pixinsight, which I had to use manually (there was no WBPP or other plugin), so I was wondering if you have any manual stacking tutorial for OSC or DSRL Cameras. Ty
First of all, yes, this workflow works with everything - also with globular clusters, no matter what filters used. And don't be scared if the star removal will remove some stars from the cluster, and they will be added back in at the end.
Now to the stacking, no need to stack manually, that is way too time-consuming. AstroPixelProcessor does work great -> have a look at my tutorial about it: czcams.com/video/AuquYG4MzvE/video.html If you want to stay in PI, use WBPP, there are some great tutorials from Adam Block about it.
@@viewintospace Ty so Sascha, for such a quick response. You have clarified several doubts for me.
what about LRGB instead of RGB only can you elaborate your view(why not separate L), en should you do blurXterm to solve the right corner problem and then star remove
First of all, have a look at this video: czcams.com/video/F-VUsKF7Q28/video.html
About BXT - it might not have completely solved the crappy stars I had at this time (this video was pre BXT) but in general, always use BXT!!!!!
Where does BlurXTerminator fit in?
Right after SPCC
@@viewintospace Thanks again!
Thanks for directing me here Sascha - I'm going through it now, and I noticed your focal length is shorter than it should be - (and then you mentioned you have a back focus issue). So, you may find something in this video by James Lamb, unbelievable how threads mess up the BF calculations and how much it affects focal length - czcams.com/video/68hQkjMsJmU/video.html
Thanks - will have a look at it!