Adobe Photoshop / Aurora Effect

  1. Prepare an image
  2. Filter > Blur > Guassian Blur - Radius: 75px
  3. Layer > New Adjustment Layers > Color Balance
  4. Create a new layer and make a circular selection with Marquee Tool
  5. Select Brush Tool - Master Diameter: 300, Hardness: 0, Color: White
  6. Brush the very inside the selection along the path
  7. Set the brushed layer to Overlay
  8. Duplicate the layer and arrange them