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This tutorial by Nik Szymanek focuses on RGB and LRGB compositing with Affinity Photo
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This tutorial on using Affinity photo for image stacking the production of SHO narrowband images. For this tutorial, we will be using one of the Pro Datasets of the Rosette Nebula obtained with CHI-4 telescope.
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In this tutorial, Nik shows how to remove the satellite trails which are commonly seen in astronomical images. This valuable technique is an alternative to the common way of removing satellite trails that involves the stacking of several images using pixel rejection techniques, such as sigma-clipping. As sigma-clipping requires at least three frames per filter, this new technique explained by Nik in this tutorial is specifically valuable for One-Click Observations, where you often have only two images per filter.
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In this video tutorial, Nik Szymanec introduces the use of Affinity Photo for astrophotography. This software is becoming increasingly adopted as a Photoshop alternative for people who don’t want to pay the Adobe subscription monthly charges. With its new version 1.9 update, Affinity Photo is an even stronger photo editing application. Available for macOS, Windows and iPad, Affinity Photo 1.9 adds many new features including astrophotography stacking.
