• Aquas: +10
• Blues: -8
• Purples: +15

Saturation

• Blues: -7

Luminance

• Aquas: -8
• Blues: +5
• Purples: +57

Optics

• Vignette: -8

Callibration

Blue Primary

• Hue: -4
• Saturation: -5

Radial Filter

• Exposure: -0.05
• Highlights: +2

Gradulated Filter

Exposure: -0.35

Gradulated Filter

Exposure: -0.15

Gradulated Filter

Exposure: -0.15

And finally, everything should look like this.

Final Results

Download the PSD

Galaxy Tutorial.zip