Removing star halos in Photoshop
I recently watched a video by AstroQuest1 for removing halos around stars and found it to be surprisingly simple and effective – but I’ve changed it slightly by adjusting the Lightness in the Hue/Saturation:
- Zoom in on star
- Lasso tool around outer edge of halo
- Open new background layer (lets you compare before and after)
- Go to Image > Adjustments > Hue/Saturation
- Make adjustments by reducing the Lightness
- Go to Select > Deselect
- Eraser tool – adjust to size and feathering to match star > click over centre to replace star
Link to my video:


Link to original AstroQuest video – Simple Method for Removing Star Halos in PS