22Creative Nightscapes: Multiple Image Processing
The modern ability to combine multiple images into a single, final image in the digital darkroom opens up nearly limitless possibilities in landscape astrophotography. Here, we learn about techniques that range from the nearly routine to those that require hours of work to prepare. In each case, the benefit(s) of combining multiple images will be clearly identified. We will begin with noise reduction and dynamic range expansion, techniques used to enhance the basic quality of images. We will then explore how image shortcomings arising from inherent limitations in aperture, shutter speed, and ...
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