Action: Sky Colour by Mask
		Duplicate current layer
			2
		Make adjustment layer
			Using: adjustment layer
			Type: selective color
			Method: absolute
			Color Correction: color correction list
			color correction
			Colors: cyans
			Black: 100%
			color correction
			Colors: blues
			Black: 100%
		Set current layer
			To: layer
			Mode: difference
		Merge Layers
		Merge Layers
		Select blue channel
		Levels
			With Auto
		Gaussian Blur
			Radius: 4 pixels
		Set Selection
			To: current channel
		Duplicate Selection
			Name:  “Selective Color Sky Mask”
		Delete current layer
		Set Selection
			To: none
		Make adjustment layer
			Using: adjustment layer
			Type: curves
			<unknown>
		Apply Image
			With: calculation
			Source: channel “Selective Color Sky Mask”
			With Preserve Transparency
		Set current layer
			To: layer
			Mode: multiply