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Stellarium Planetarium Software
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Stellarium Planetarium Software

Stellarium is an open-source planetarium software which renders 3D photo-realistic skies in real time displaying stars, constellations, planets, nebulae and more. Stellarium is licensed under the terms of the GNU General Public License version 2 and is available for Linux, Windows, and macOS. Stellarium provides a real-time view of what […]

Starizona Night Owl 0.4x SCT Reducer/Corrector
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Starizona Night Owl 0.4x SCT Reducer/Corrector

Starizona Night Owl offers a 0.4x SCT Reducer/Corrector with a 4-element reducer design to provide a wide field of view and fast focal ratio for deep-sky imaging, especially for real-time imaging, “electronically-assisted astronomy” or EAA. The Starizona Night Owl works with standard Schmidt-Cassegrain telescopes (not EdgeHD or ACF models). The […]

Dante and the Early Astronomer
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Dante and the Early Astronomer

In his recently released book, “Dante and the Early Astronomer: Science, Adventure, and a Victorian Woman Who Opened the Heavens,” Tracy Daugherty tells the story of Mary Acworth Evershed, a pioneering female amateur astronomer who was fascinated with Dante Alighieri. Daugherty is a professor emeritus of English and creative writing […]

ZWO EAF Electronic Focuser
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ZWO EAF Electronic Focuser

The ZWO EAF Electronic Focuser – EAF stands for Electric Automatic Focuser – now offers an “Advanced” option adding a temperature sensor and hand controller to the electronic focuser which offers precise, dynamic focus control for planetary and deep-sky imaging. The EAF works with all capture software that is supported […]