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Hope it helps.Just bought FF6 and tried your trick it, but it's not working on my system. If nothing else, it should give you a starting point.īTW, I discovered this thread while searching for 'astronomy with affinity photo' as I'm getting back into it again and wanted to see what's new. I haven't really done any astrophotography in the past few years, however, so haven't tried this in a long time. He was teaching us Photoshop and after the class I experimented with achieving the same thing in Affinity Photo. Experiment to see what consequences moving the slider at this stage has.)ĭisclaimer: This is an extract from notes I made during an astrophotography class taught by Paul Klauninger. When questioned, he said this was to give us some ‘wiggle room’ later but I’m not sure what he meant by that. (In his tutorial, Paul had us drop to 35 and leave it there, saying we’d come back to it later. As previously, move the slider then go back to the eyedropper and check the values. The goal now is to set the RGB values of the background to around 15 by adjusting the Black slider. Once all three values are roughly even, switch channel to Master. Continue this process until red and green values are roughly the same. For example, switch to red channel and move the White slider a small degree and then measure the effect this has on the background values using the eyedropper tool. Regardless, though, the end goal is to adjust two of the three values so that they are all approximately equal in the background sky.Ĥ. Since green is the most predominant colour in human visual range, typically it is the red and blue colours that will need to be raised to match green. Click Layer > New Adjustment Layer > Levels.ģ. The ultimate goal is to have neutral (RGB values matched background, leaving the main object (nebula, etc) untouched.Ģ. In the Affinity ‘Colour’ tab, move the eyedropper tool around the background of the image and note the relative proportions of R, G and B. On another machine, also Win 10, none of these same three worked?ġ. Of the three I have tried, two worked and one didn't on one Win 10 machine. period! Not especially surprising, andģ/ Photoshop Plugins are a special case. Doesn't seem possible in Affinity?Ģ/ Photoshop actions will not work. ġ/ Balancing the sky background to neutral by selecting a sample point and using the Levels tool to set the R, G and B channels individually to the same level. While a great program and easily a viable alternative to PS in general photography, there are some techniques I use in PS for astro processing I simply have not been able to duplicate with Affinity. I only very recently purchased Affinity and, of course, am trying to accomplish with it as much as I could in PS. I use an increasingly dated version of PS in conjunction with PI to process my astro stuff.
Well, I am glad to hear from another Affinity Photo user.
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