Action: Sky Select rgb 
		Duplicate red channel
			Name:  “Sky Selection Temp”
		Apply Image
			With: calculation
			Source: green channel of merged layer
			Calculation: darken
			With Preserve Transparency
		Apply Image
			With: calculation
			Source: blue channel of merged layer
			Calculation: darken
			With Preserve Transparency
		Apply Image
			With: calculation
			Source: blue channel of merged layer
			Calculation: subtract
			Scale: 1
			Offset: 255
			With Preserve Transparency
		Smart Blur
			Radius: 2
			Threshold: 25
			Quality: Low
			Mode: Normal
		Invert