Nad84
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Posts posted by Nad84
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7 minutes ago, carl123 said:
Is this the effect you are trying to achieve?
Gosh .. yes! Please could you share how that was achieved?
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3 hours ago, carl123 said:
Is the image supplied above after your "crude" attempts were performed or before?
If after, can you upload the image before so we can see what you are dealing with initially?
Thank you for your response & interest. The earlier example was an illustration of my hacking at the image as I try to learn Affinity whilst watching Mr Ritson's tutorials. A stacked section of the image is below and I look forward to any pointers or advice.
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On 2/24/2021 at 3:01 PM, GarryP said:
Since you are asking for specific advice in an area which is already quite ‘niche’ it might take some time for the right person to find this thread and come up with a response.
Keep bumping it up to the top of list once a day for a week or so and you will probably get a response eventually but you will need to ‘keep your fingers crossed’.
If you can upload the original file then people can experiment with that rather than your own version.
In the meantime, you could try asking in an astrophotography forum.Thank you GarryP, I have asked in my astro forums - unfortunately Affinity does not have much traction yet and the advice I get refers me to other software products such as APP, PixInsight, Photoshop, GIMP etc. for astro post processing. Hopefully someone here will have a suggestion but I see previous posts from other Affinity users on halo's so maybe not.
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No recommendations or advice? 🙁
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Hello - I have just started using Affinity for Astrography processing after the recent stacking functionality upgrade, having had it on my computer for quite a long time.. I am struggling to effectively remove star halos . My systems are both MacOS based so would appreciate advice on that platform (I am unsure if & how the W10 version could be different). The image below illustrates my problem where my "crude" attempts end up with further halos (admittedly duller but a colour or black) being left behind with both the following methods:
1. Using the color>defringe tool with or without feathering
2. Select> grow> feather > HSL > desaturate (or using desaturate through the vibrance tool)
I would appreciate some help/ advice on how to go about removing these halos in post processing. Thanks in advance.
PS: I am not yet worried about the diffraction spikes given that I use a very very old lens.
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Stacked astro photography. Background removal filter - sampling does not adjust sliders on clicking or on apply. Repeatable on stack of 60 lights/ 30 dark/ 30 Bias. When apply is clicked, as expected, background not removed.
System: Apple MacBook Pro 2020, i7. Big Sur. Current licensed version of Affinity Photo from Apple Store.
Star halo removal - a novice Affinity user query
in Pre-V2 Archive of Affinity on Desktop Questions (macOS and Windows)
Posted
Thank you ... I thought I had tried that ... quite obviously wrongly as I was left with a black background. I will have to work out what my mistakes were. Thanks again!