Tag Archives: Ballycotton harbour

The golden hour at sunset is spectacular but I love the amazing colours you might be lucky to see after the sun has set. Such happened on Thursday night in Ballycotton. This is a panoramic photo of several photos stitched together to make one larger one. The dark, dramatic cloud was too wide for my lens, but even though it was dark, handheld panoramas are possible these days if you’re careful.

The phenomenon captured in this photograph occurs when the sun has set below the observer’s horizon but continues to illuminate high-altitude clouds from below, creating dramatic lighting effects known as “alpenglow” or “afterglow.” This effect is particularly pronounced in coastal areas like Ballycotton, where the unobstructed western horizon allows for clear sunset views, while high clouds moving in from the Atlantic provide the perfect canvas for these spectacular post-sunset displays. The pink and purple colours result from the way the atmosphere scatters different wavelengths of light, with longer wavelengths (reds and pinks) penetrating further through the atmosphere to reach the high clouds even after the sun has disappeared from view.