In this tutorial, Ron Brecher, Co-Founder of Masters of PixInsight, introduces the powerful ColorMask process in PixInsight. This process, though not included in the standard PixInsight installation, allows for precise control over color adjustments in your astronomical images. Ron walks you through the following steps:

Installing the ColorMask Process:
-Learn how to add the necessary repository and install the ColorMask process from the PixInsight forum.

Using ColorMask to Target Specific Hues:
-Explore multiple methods to select hues, including clicking on the color wheel, manually entering values, or selecting directly from the image.
-Understand how to adjust hue range, chrominance, and lightness to refine your color mask.

Applying and Modifying the Mask:
-Apply the mask to your image and make adjustments using tools like curves to enhance specific colors.
-Learn how to control mask strength and blur to achieve the desired effect.