![]() ![]() Grab a big soft brush in white, at 100% opacity and paint over the areas of cast via the layer mask.On the layer mask for the Hue/Sat adjustment, press cmd+I or cntl+I to invert the mask – the image will return to normal.In the Hue/Sat properties panel, the middle slider will be Saturation – pull this all the way to the left.Head down the the adjustment layer icon (circle cut in half) and find Hue/Saturation in the pop-up menu.Open the image in Photoshop and click the active/uppermost layer in the layers panel.The Desat method works by removing all colour from a specific area and is a quick adjustment to make on white or black coated dogs. This method is the most widely known and it’s also the least sensitive in terms of tones. And when you think you’re finished, I’d be remiss if I didn’t highly recommend a few more tweaks to bring out the full beauty in your photos with our Milky Way Finisher Photoshop Action Pack Bundle.So what are the 3 ways to remove colour casts in Photoshop? 1. Now you can proceed with the rest of your normal photo editing workflow, while starting out with a much cleaner image to begin with. ![]() Once you’re happy with the results, click OK.Follow the Lightroom directions (above) to remove of purple/blue or green/yellow star halos.Open the Lens Corrections tab on the right side of the window, and look for Defringe.Zoom in closely to an area with larger stars containing the offending star halos.If the Camera Raw filter does not open automatically (it won’t for a non-raw image), go to Filter->Camera Raw Filter and click to open.Open your photo in Photoshop, preferably the raw image (but JPG or other formats work as well).Requirement: As with our awesome EasyNR noise reduction Photoshop action pack, removing color fringe from photos requires the Camera Raw utility in Photoshop, which is best utilized in Photoshop CC or later. Finally, back off the green Amount slider until the star halos reappear, then push it up just until they disappear again to find the sweet spot.While watching the offending star, adjust the right and left sliders of the Green Hue adjustment to match the color until the star halos start to disappear to your liking.Adjust the green Amount slider to a little more than midway, as a starting point.Finally, back off the purple Amount slider until the star halos reappear, then push it up just until they disappear again to find the sweet spot.While watching the offending star, adjust the right and left sliders of the Purple Hue adjustment until the star halo starts to disappear to your liking.Adjust the purple Amount slider to a little more than midway, this is just a starting point.Click Manual or Color, and look for the Defringe section.įor purple or blue star halos (most common):.Click Profile or Color, and make sure Remove Chromatic Aberration is selected.On the right side, where you make image modifications, scroll down until you see Lens Corrections. ![]() Open the Develop tab, and zoom in to an area with offending stars on the image.Select the photo with the star halos that need to be removed.Import your images into your Lightroom Library.So, fire up your application of choice (Adobe Lightroom or Photoshop) and let’s do this. Do they look like this? Then you may have a problem! Luckily we can fix it. So, zoom into those photos and check out your brighter stars. Starting out with a properly calibrated image by removing lens imperfection issues is a good step to getting the most out of your astrophotography from the beginning. ![]() This process is very easy, and I recommend you do it as one of the first steps in your processing workflow. Some of my photos had ugly purple and blue rings around the stars! Luckily, fixing this problem with Lightroom or Photoshop is easy, and I’ll tell you about it here. While looking through some of the photos from a recent trip to the beautiful dark skies of Namibia, I realized that shooting for 9-nights straight caused me to take a few shortcuts that bit me in the end. Resulting from close-but-not-quite-in-focus stars or shooting with a wide open aperture on a lens that isn’t perfect - star halos, chromatic aberration, or blooming can ruin an otherwise beautiful night-sky image. Now that you’ve learned how to photograph the Milky Way, you may have noticed some nasty coloration around your stars. Removing ugly halos from stars is quick and easy with Lightroom or Photoshop! ![]()
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