Layers can be moved around, blended together, painted on, completely hidden, or have holes cut in them, and for something like a star trail image that merges hundreds of slightly different photos, or revealing the soft light of a nebula from many stacked frames of the same thing, are absolutely essential. Think of them as a vertical stack of acetate sheets ready to go on an overhead projector and you won’t go far wrong. Layers are what allow you to build up complex effects. Selections can be automatically applied - the new Adobe Sensei cloud AI tech that allows the subject of a photo to be perfectly identified and selected just by choosing a menu option is phenomenal - or can be painstakingly manually created. Photoshop’s method of editing is based on selections and layers, meaning you can edit the sky in the image separately from the land by making a selection. Photoshop CC is the industry standard photo editing app, and as such a great tool for the astrophotographer. Lightroom’s brother, and the app most copied by other image-editing software. Adobe Lightroom: Best photo editing app overall This is off-the-shelf software that can be bent to the needs of the astrophotographer, and some handle this better than others. It’s worth noting that none of these is a dedicated astro-processing app. Tweaks to brightness, color, and contrast are editing too, as is a simple crop to more closely centre your intended target in the frame.Īs a result of image editing software’s popularity with the digital photography community, there are a lot of different applications on the market, each with their varying pros and cons, especially where astrophotography is concerned.
The only way you can align and stack a large number of digital files to combine their captured light and reveal the deep-sky object you’re trying to image is through editing software.
Whether they try to do as much in-camera as is possible, or lean more heavily on their editing software to extract the unseen beauty from their images, there's always an element of editing involved. Astrophotographers rely, therefore, on editing – especially since photography went digital.
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