Astrophotography【電子書籍】[ Thierry Legault ]

Astrophotography【電子書籍】[ Thierry Legault ] Astrophotography【電子書籍】[ Thierry Legault ] Astrophotography【電子書籍】[ Thierry Legault ]

<p>Today's photographic equipment allows amateurs to take pictures of the stars that far surpass images taken just a few decades ago by even the largest observatories-and this book will teach you how.</p> <p>Author and world-renowned astrophotographer Thierry Legault teaches the art and techniques of astrophotography: from simple camera-on-tripod night-scene imaging of constellations, star trails, eclipses, artificial satellites, and polar auroras to more intensive astrophotography using specialized equipment for lunar, planetary, solar, and deep-sky imaging. Legault shares advice on equipment and guides you through techniques to capture and process your images to achieve spectacular results.</p> <p><em>Astrophotography</em> provides the most thorough treatment of the topic available. This large-format, richly illustrated book is intended for all sky enthusiasts-newcomers and veterans alike.</p> <p>Learn how to:</p> <ul> <li>Select the most useful equipment: cameras, adapters, filters, focal reducers/extenders, field correctors, and guide telescopes</li> <li>Set up your camera (digital, video, or CCD) and your lens or telescope for optimal results</li> <li>Plan your observing sessions</li> <li>Mount the camera on your telescope and focus it for razor-sharp images</li> <li>Polar-align your equatorial mount and improve tracking for pin-point star images</li> <li>Make celestial time-lapse videos</li> <li>Calculate the shooting parameters: focal length and ratio, field of view, exposure time, etc.</li> <li>Combine multiples exposures to reveal faint galaxies, nebulae details, elusive planetary structures, and tiny lunar craters</li> <li>Adjust contrast, brightness, light curves, and colors</li> <li>Postprocess your images to fix defects such as vignetting, dust shadows, hot pixels, uneven background, and noise</li> <li>Identify problems with your images and improve your results</li> </ul>画面が切り替わりますので、しばらくお待ち下さい。

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