ATT Volume 14 Issue 1

In this issue Publisher Stuart Parkerson takes a look at the  world’s only working Armillary Sphere, a precursor to the first telescopes; Dr. James Dire shows how the GSO 8-inch Ritchey–Chrétien is an ideal mid-sized instrument for CCD imaging; Matt Harmston and Jeff Hammond take a dive into Live High Dynamic Range (LHDR) techniques for video astronomy; John Wunderlin provides basic and advanced tips for getting the most out of a Bahtinov focusing mask; Keith Venables provides an overview of qualitative field measurements taken with 26 telescopes of varying type and aperture at the Texas Star Party; plus industry news, new products and more.

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