The Art and Science of CCD AstronomySpringer London, 1997 - Počet stran: 178 Charge-coupled Devices (CCDs) have revolutionised astronomy. Even affordable CCD cameras can be ten times a sensitive as photographic film, and they deliver a digitised image that is easy to enhance using a personal computer. David Ratledge has brought together contributions from twelve leading amateurs from around the world, people who are routinely producing astronomical images of a quality that rivals those of professional observatories only of 10 years ago. These experts describe their techniques and solutions, and offer essential tips and advice for anyone who is choosing or using a CCD camera. Now glance through the Colour Gallery at the back of this book to see just what they have done! |
Obsah
An Introduction to CCDs | 1 |
Lunar Imaging with the Cookbook | 19 |
Solar CCD Imaging | 33 |
Autorská práva | |
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35 mm film allows amateur astronomer arc seconds asteroid astrometry astrophotography BatchPIX bright calibrated images CCD Astronomy CCD camera CCD chip CCD imaging Celestron centre clockwise from top co-adding Colour Gallery colour images Comet Hyakutake dark current dark frame deconvolution deep-sky objects disk dynamic range exposures R:G:B eyepiece projection faint False colour field of view Figure filter wheel flat field flat-field images focal length focal ratio focal reducer focus focusing galaxies Horsehead Nebula image processing Images clockwise inch 30 cm light pollution light pollution filter lunar Lynxx camera magnitude monitor mosaic night Nik Szymanek noise observatory observing optical Orange County Astronomers photographic photometry photons pixels planetary images planets raw image red filter refractor saturated SBIG second exposure sensitive signal-to-noise ratio skies solar imaging star subtracted sunspot supernova taken technique tele telescope tri-colour images unsharp masking µm pixels