News

ATT Volume 14 Issue 1
Issues

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 […]

St. John’s College Installs the World’s Only Working Armillary Sphere, A Precursor to the First Telescopes
News

St. John’s College Installs the World’s Only Working Armillary Sphere, A Precursor to the First Telescopes

St. John’s College in Santa Fe, New Mexico has turned back the clock, way back, as they have commissioned and installed on their campus the only completely operational Tycho Brahe armillary sphere in existence. The intricate device was originally invented in the 16th century by astronomer Tycho Brahe and was […]

iOptron’s New LiteRoc 1.75″ Tripod is Now Available for the iOptron AZ Mount Pro as Well As iOptron’s CEM25P and CEM25EC Mounts
News

iOptron’s New LiteRoc 1.75″ Tripod is Now Available for the iOptron AZ Mount Pro as Well As iOptron’s CEM25P and CEM25EC Mounts

iOptron’s new ‘LiteRoc’ 1.75″ tripod delivers high stability in a lighter, more compact package than its previous 2-inch version. It is now available for the iOptron AZ Mount Pro as well as iOptron’s CEM25P and CEM25EC Mounts. The LiteRoc tripod features a 1.75-inch upper leg section with a 1.5-inch diameter […]