Blader door items (45 in totaal)

In dit boek dat op vele vragen antwoord geeft, vindt men de constructie van de refractor en de spiegeltelescoop en het slijpen van de spiegels, alles binnen het kunnen van de amateur.

In dit boek dat op vele vragen antwoord geeft, vindt men de constructie van de refractor en de spiegeltelescoop en het slijpen van de spiegels, alles binnen het kunnen van de amateur.

The author has pioneered the measurement of brightness variations in stars over very short time scales and in this book he discusses the applications of astronomical photometry with time resolutions of between 10 microseconds and 10 minutes to a…

Scruter le ciel et observer l'invisible. Ce rêve devint réalité au XVIIe siècle avec la lunette de Galilée, le premier instrument optique de l'histoire de l'astronomie à avoir révélé l'immensité de l'espace. L'exploration du cosmos en était alors à…

Small and large telescopes are being installed all around the world. Astronomers have thus acquired better access to more modern equipment; not in the least to photometers, which are very important tools for the contemporary observer. This…

The long-awaited second edition of this well-received textbook gives a thorough introduction to observational astronomy. Starting with the basics of positional astronomy and systems of time, it continues with charts and catalogs covering both…