Fading star trails Photoshop script

Small Photoshop script to create a fading star trails effect out of a group of selected layers.

Example

Methodology

Loop through all selected layers and process like so:

• change the blend mode to Lighten
• change the opacity step by step all the way down from 100% to around 0%

Todo:

• Add ability to control the direction (basically reverse the effect)
• Custom blend mode