![]() In many cases, you will want to separate the selections between the two. Keep in mind, this method will usually include your stars, as well as your deep-sky target. You can also use the Highlights selection mode, and adjust the Fuzziness slider to include the areas of light (signal) in your image. When making a selective increase to color saturation, it’s often best to sample the dominant colors of your deep-sky object. In the example below, I used the Sampled Colors option in the “Select” drop-down menu. This will give us a rough selection to start with, that we can refine further using the Select and Mask tool. To start, use the traditional method of making your selection based on my original image processing workflow. Instead, I prefer to start with the following path: 1. Topaz mask ai gimp skin#The Onion Skin view mode is particularly useful here, as it adjusts the opacity to provide you with a useful view of both layers at a time.Īlthough this is a “one-stop’ shop” for refining your mask selection, I don’t consider it to be the best way to utilize this tool for astrophotography image processing purposes. These features are useful for accurately masking a subject and removing them/including them on a new background. Here, you’ll find tools such as the Quick Selection Tool and the Refine Edge Brush. This is the path most people will take that are using the Select and Mask for general photography purposes, but not necessarily astrophotography. ![]() The most direct route to this feature is: Select > Select and Mask Those that are using the latest version of Adobe Photoshop can navigate to the Select and Mask tool from the Main Menu Bar in a few ways. By using the selection mask as a reference, you can confirm that you are only applying these effects to the nebula, and not the image as a whole. In the example below, you’ll see how I have increased the saturation of the Lagoon Nebula, without adding color noise to the background sky or stars.īy using the Select and Mask tool to define the colors found in your deep-sky target, you have complete control over the amount of saturation applied. For this reason, being able to accurately feather your selection allows you to control the amount of softness between these areas and naturally blend them together. ![]() When selecting these areas to process, you want to avoid creating a hard, unnatural edge between your selective area and the original. For example, there are times when you will want to increase the brightness of a nebula, without bloating the stars in your image. When processing a deep sky astrophotography image, it is often beneficial to select different aspects of your images and process them independently from one another. ![]() It gives you complete control over your layer mask and allows you to precisely define the edges of your selection. The Select and Mask tool is Adobe Photoshop’s powerful selection tool with advanced mask refinement options. Creating layer masks is one of Photoshop’s core features, and it is especially useful when editing astrophotography images. The Select and Mask tool allows you to get very specific about each and every edit you make to your images. It has quickly become one of my favorite and most-used features of this application for processing my deep sky astrophotography images. If you use Photoshop to process your astrophotos as I do, this tutorial should be very useful to you.Ībout a year ago, I experienced the true power of the Select and Mask tool in Photoshop first hand. Whether you want to separate the stars from your deep-sky target, or apply subtle noise reduction to the background sky of your image, the select and mask feature will get you there.Īdobe Photoshop CC is an effective way to process astrophotography images, in a very creative and enjoyable way. The Select and Mask Tool in Photoshop CC is a powerful way to edit selective areas of your astrophotography images. ![]()
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