This layer-based editor supports most file formats, and has all of the tools you need to touch up photos: adjustments for things like color balance and contrast, yes, but also filters and simple drawing tools.4) Conclusions What Does Post-Processing Mean In Astrophotography?There are more features and tricks hiding in your Mac or PC than most people will. In terms of features and flexibility, open source stalwart GIMP is the best free Mac image editor you can find. GIMP: Feature Complete With a Steep Learning Curve.
![]() ![]() ![]() What Is The Best Image Editing Software Software That ArePowerful image development and image organizer Astrophotography editors, such as StarTools, Nebulosity, Astro Pixel Processor, Pixinsight, etc.The main advantage of generic photo editors over specific astrophotography editors is versatility.With a generic photo editor, it is easy to post-process all kinds of astrophotography, from deep-sky imaging to lunar and planetary shots, passing for star trails and starry landscapes.In this article, for example, we discussed how to stack starry landscape images in Photoshop.Not many astrophotography editors are this flexible.Here is a list of software that are most commonly used to post-process astrophotography images. generic photo editors, such as Photoshop, Gimp, Affinity Photo, etc. Software For Astrophotography Post-ProcessingWe can group the software for astrophotography post-processing in two categories: Stars Reduction / Stars RemovalStar reduction is another process that is standard when editing deep-sky astrophotography.While it seems odd that you want to shrink or remove stars from a photo about stars, this process aims to make the multitude of visible stars in the image less imposing and distracting.By reducing enlarged stars due to the histogram stretching and by removing the smallest stars, you make the deep sky objects in the image more visible, as shown in the image below.The effect of doing the Star Reduction on the star field around the California Nebula.The procedure is particularly useful when shooting deep-sky objects, such as nebulae, that are in the Milky Way Band.Versatile and Powerful Photo Editor / Image Manipulation Software And here is where things get interesting.To get the best from the two worlds, load your stacked images in Lightroom, organize them in collections, and call Photoshop from within Lightroom for the astro-specific editing (histogram stretching, etc.). Lightroom is also great for color proofing your images before printing them.If you are subscribing to the Adobe Photography Plan, you also have Photoshop CC included for free.Lacks Some Advanced Features for AstrophotographyPhotoshop is one of the most commonly used software in the field of photography editing and image manipulation, and it can be used to post-process astrophotography work.If you are a beginner astrophotographer, you are on a tight budget or you already own Photoshop, you should give it a try as all the basic post-processing steps can be performed in this software.If you need more advanced features, you can also expand Photoshop capabilities thanks to many astrophotography related Action Sets, Plugins, and Panels.Finally, with Camera Raw filter and other photographic plugins (like for smart sharpening and advance noise reduction), you can perform with ease all the final tweaks an image may need.As a Photoshop user, I tried many plugins and action sets for astrophotography, and here is my must-have extensions list. Subscription Plan with Photography Bundle Astrophotography Action Sets and Plugins AvailableAstro Panel By Angelo PerroneAstro Panel consists of a rich set of functions and methods that produce high quality starry landscapes and Milky Way images.It is also easy to process Deep Sky Photos thanks to advanced functions for reducing digital noise and hot-pixels, eliminating the gradient, managing artificial flat, and much more …Furthermore, astronomical images aside, you can use the Astro Panel to edit classic landscape images too. Hasta La Vista Green! (HLVG) by Regelio Bernard AndreoDespite its old age, this plugin is still useful, and it does an excellent job of removing green noise and the green casts such noise may cause in some images. Despite a rather steep price (a trial is available for you to test the plugin), this is a terrific add-on for Photoshop, if you are serious about deep-sky astrophotography. GradientXterminator by Russell CromanThis plugin is a gradient removal tool that is easy to use and extremely effective. Photokemi’s Star Tools by Ken MitchelSimilarly to Astronomy Tools, this action set is most useful for deep space astrophotography.It offers advanced star removal and star reducing actions, semi-automatic histogram stretching, different sharpening and noise reduction actions, as well as actions such as nebula filters and star color enhancement.There is also a set of extra actions, available for $6.95. The set includes actions such as star reduction, enhanced DSO, light pollution and color gradient removal, sharpening, and noise reduction. Mac write emulator internet archive boing boingSince it is freeware and on the market for many years, there is a big community of users, so it is easy to find relevant tutorials and guides to help you out.The software has a slightly confusing interface, particularly if you are trying to switch from Photoshop, but it is powerful enough to let you edit your astrophotography images with ease. Great community and lot of info availableGimp is the historical freeware alternative to Photoshop. Lacks third-party actions sets, plugins and panelsAffinity Photo from Serif Lab is a great, affordable alternative to Photoshop, and you do not need to pay for a subscription plan.With Affinity Photo, you can carry out with ease all of the basic astrophotography post-processing.But since there are no plugins, action sets, and panels to help you out, you have to learn to do things manually, even the more advanced tasks such as star reduction.
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