The DynamicPopfilter plugin divides the image into a grid of tiles measuring 9x9 pixels in size, and the brightest pixel in each tile is then replaced by the average of its 8 neighbors. The starting point (ie top left corner) for the grid is varied random

This image of the Lagoon Nebula was processed by Philipp Hayer. He noted that he followed one of my Photoshop processing tutorials throughout the edit. My workflow leaves a lot of room for creativity, and Philip used these moments to create an impressive

DeepSkyStacker is a useful piece of freeware that allows you to register (align) and stack multiple images into a single frame, revealing detail that is difficult to capture otherwise. For astrophotography, this means you can make use of short exposure im