BBC Sky at Night

PROCESSING

Using Photoshop masks to enhance a nebula

Discover how masks can help you apply enhancements to specific areas of your astro images

Masks can be found in many image processing and editing software apps. Here we take a look at how they can be used in Adobe Photoshop to improve an image of the Heart Nebula, IC 1805. Photoshop masks allow us to cover an adjustment we make to an image with a screen and control the areas

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