This tutorial lets you create an abstract effect, which is often used in Photoshop, and this tutorial may give you a chance to implement some of your own alternative ideas.
The final effect of the Photoshop tutorial
1. First create a 800*800 pixel document, download a "star" photo pasted onto the canvas.
At this time to see the sky picture some fuzzy, you can click on "Filter > Sharpening >USM" and the following settings
2. Here's a light source, create a new layer, select the Gradient tool, set the color to "white to transparent" gradient, drag a gradient out of the center of the canvas, as shown below
When finished, set the blending mode of the layer to "overlay" to get the following effect
Below in straight away some more colored light points, a new home layer, using the steps above, drag more small white to transparent radial gradients on the canvas
Double-click the layer, bring up "layer style", select "Gradient Overlay" and set the following
Get this effect
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