Black Canyon Astronomical Society
The BCAS offers programs and presentations on all facets of astronomy to public organizations, schools (elementary through college) and home-school groups. We have many experienced observers and astrophotographers and can assist newcomers with selection, operation and maintenance of all varieties of optical equipment for astronomical use.
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June SolsticeWith the arrival of warmer temperatures, perhaps you’ve been enjoying some outings to the mountains or a float trip on a river. While there…
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Light PollutionThose of us that live on the Western Slope are no stranger to spectacular scenery. The jagged peaks, chiseled canyons, and expansive…
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Mercury in Evening Twilight Have you ever seen the planet Mercury? When conditions are near optimal, Mercury is easy to see. However, optimal conditions…
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Navigating the Night SkyThe Big Dipper is a great starting point for learning the night sky. Located near the pole of the sky, it never completely sets or…
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April’s Total Lunar EclipseLate on the evening of April 14th and into the early morning hours of April 15th, skygazers throughout the America’s and much…
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Mars At OppositionAstronomers use a number of curious words to describe the planets in their orbits, for example, quadrature, conjunction, elongation, and…
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This is a continuing series on Women in Astronomy. Today, we meet Margaret Burbidge.Margaret Burbidge was born in 1919. She received her PHD in astronomy…
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Today we discuss two giant stars that are easily observed right now and relatively close in the sky. Aldebaran is an orange giant star, while Betelgeuse…
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This is a continuing series on Women in Astronomy. Today, we meet Vera Rubin.Vera Rubin was born in 1928 and graduated from Vassar College. Much of her…
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When you look at the night sky with the naked eye, everything that you see is in our Milky Way Galaxy.The farthest easily seen star is only a few thousand…