The above visual wavelength image of a counter-clockwise rotating spiral galaxy indicates that the blueshifted emission lines are the dashed lines above the solid black horizontal line in the right panel and the redshifted emission lines are the dashed lines below the solid black horizontal line.

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The above visual wavelength image of a counter-clockwise rotating spiral galaxy indicates that the blueshifted emission lines are the dashed lines above the solid black horizontal line in the right panel and the redshifted emission lines are the dashed lines below the solid black horizontal line.

The Above Visual Wavelength Image of a Counter-Clockwise Rotating Spiral