Sometimes an RGB color or monochrome image contains too much information to make the image usable. A negative image can address this by making the black space white, and the light areas dark thereby...
Category: Blog
Quickly Reduce Noise, Boost Contrast
Sometimes you’re in a hurry, want to produce a good quality image, yet don’t have a lot of tools at your disposal. This article walks you through performing some adjustments that reduce noise in...
Composing Images Using Aladin
Aladin is a free, interactive sky atlas that draws data from a broad range of sources, giving you access to a very detailed all-sky view that’s comparable to the most advanced planetarium software. Aladin...
Toning Down The Core Of A Bright Galaxy Using GIMP
Some galaxies have bright cores and we often publish images with the bright core intact, however, you can apply an adjustment that reduces the tone of the core making it less bright and bring...
Quickly Boosting Details of Nebula, Dust, and Contrast
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...
Quickly Boosting Details and Contrast
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...
Adding A Star Diffraction Effect To Your Images – Alternate Method
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...
Adding False Color to a Monochrome Image
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...
Adding A Star Diffraction Effect To Your Images
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...
Using Various Processing Approaches On The Same Image
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...