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Amateur astronomy spectroscopy

Most of what we know about a star's chemical composition, temperature, axial spin, magnetic field, and motion through space is deduced by studying its spectrum. Although light is greatly diluted when spread into a long spectrum, pioneers such as Angelo Secchi of the Vatican Observatory did remarkable work with visual spectroscopes. Furthermore, some bright stars present truly spectacular spectra to the eye. One example is the Wolf-Rayet star Gamma Velorum, about which the Scottish astronomer Ralph Copeland commented in , "An intensely bright line in the blue, and the gorgeous group of three bright lines in the yellow and orange, render the spectrum The author obtained this sampling of stellar spectra with one of his early spectrographs that used a 9-inch-diameter objective prism.
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Astronomical Spectroscopy for Amateurs

Amateur astronomy spectroscopy
Amateur astronomy spectroscopy
Amateur astronomy spectroscopy
Amateur astronomy spectroscopy
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The Star Analyser SA, SA – RSpec / Real-time Spectroscopy

Amateur astronomers are a unique species worthy of their own reality TV show. Their craftsmanship, resourcefulness, dedication, and passion is simply amazing. So what is spectroscopy, and what do the amateur astronomers get up to? Absorption spectroscopy is the study of the color and light spectrum of stars and galaxies. We all love our Hubble photos and pretty astro-photographs, however most of the real research and science comes from observing the light spectrum. Astronomers look at emission lines and absorption lines in the spectra to determine the make up of stars, nebulas and galaxies.
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Amateur Spectroscopy

It seems that you're in Germany. We have a dedicated site for Germany. Astronomical Spectroscopy for Amateurs is a complete guide for amateur astronomers who are looking for a new challenge beyond astrophotography.
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Amateur astronomers are a unique species worthy of their own reality TV show. Their craftsmanship, resourcefulness, dedication, and passion is simply amazing. So what is spectroscopy, and what do the amateur astronomers get up to?
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