Astrophotography

2014 | ISBN: 1937538435 | English | 240 Pages | EPUB | 112 MB

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.

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.

Astrophotography 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.

Learn how to:

Select the most useful equipment: cameras, adapters, filters, focal reducers/extenders, field correctors, and guide telescopes
Set up your camera (digital, video, or CCD) and your lens or telescope for optimal results
Plan your observing sessions
Mount the camera on your telescope and focus it for razor-sharp images
Polar-align your equatorial mount and improve tracking for pin-point star images
Make celestial time-lapse videos
Calculate the shooting parameters: focal length and ratio, field of view, exposure time, etc.
Combine multiples exposures to reveal faint galaxies, nebulae details, elusive planetary structures, and tiny lunar craters
Adjust contrast, brightness, light curves, and colors
Postprocess your images to fix defects such as vignetting, dust shadows, hot pixels, uneven background, and noise
Identify problems with your images and improve your results

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