Category: Image Processing

I’m all about speed and quality when it comes to image processing. While I like to publish nice images, I don’t like spending hours on them to get them just right: I like to...

I’m all about speed and quality when it comes to image processing. While I like to publish nice images, I don’t like spending hours on them to get them just right: I like to...

In another article, I showed you how to add a star diffraction effect to your images using some Photopea actions. The problem with that approach is that it works only for certain sized stars...

When publishing images online for general consumption, images that have color tend to  get better feedback than images that do not have color. The fact is, however, that you’ll one day end up with...

A star diffraction effect is a spiking effect from bright sources of light, such as stars. The diffraction effect is usually considered to be pleasant because it enhances the appearance of stars in an...

I have written extensively about using image processing applications like JS9, Fits Liberator, SAOImage DS9, and MaxIM DL. The questions I’m often asked are, which processing application is best? Does JS9 do better with...

Although I often write about using free tools like JS9, SAO Image DS9, DeepSkyStacker, Photopea, and GIMP, I use another set of tools for my image processing. When I started out in image processing,...

Update: If you are looking for information about combining three monochrome images into one using GIMP, visit this article: Using GIMP To Combine Three Mono Images Into One RGB A number of my recent...

Creating starless images is useful for a variety of reasons including making it possible to process just the subject of an image independently from the stars in the image. While there are several techniques...