The term “astro-landscape photography” describes short-exposure, high-ISO night photography of the natural landscape. Recent technological advances in digital cameras and the introduction of affordable and fast wide-angle lenses have made this type of photography possible. The short exposures required to register stars as points of light rather than star trails require using wide apertures and very high ISOs. High levels of digital noise in previous generations of cameras—and film grain before that—made this type of photography virtually impossible. The Earth’s rotation causes stars to appear as lines in the sky ...
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