Blader door items (45 in totaal)

Call it a rite of passage. Call it the first step on an exciting journey. Call it what you want, but buying a first telescope is a leap of faith. For the beginning astronomer it is a gamble -- a hunch concerning the nature of a hobby not completely…

A collection of working models of sundials and timedials to be cut out and glued. The models include polar, equatorial, sunbeam equatorial, traditional, three-in-one and a nocturnal dial and include a minibook which gives background information,…

Featuring a collection of models to make, they tell the time from the sun during the day and the moon at night. Another mimics the motion of the sun and moon across the sky on any day of the year. The moon globe names all the seas, craters and…

Into this breach step Rutten and van Venrooij, two Dutch astronomers who wanted to know more about optics but found that resources were generally unavailable to amateurs. So, they wrote their own. Telescope Optics is a compendium of optical…

Cet Exellent petit ouvrage, traduit de l'allemand, est un guide pour l'amateur, surtout le débutant, qui désire se procurer une lunette ou un télescopeet commencer des observations. L'auteur commende par donner des consiels précieux pour le choix…

The book is welcome, as the number of practical guides to the use of a CCD camera is still strictly limited and mostly based on American products.... A well produced and error-free book." Charge-coupled Devices (CCDs) have revolutionised…

This book tells how you can build a state-of-the-art Dobsonian telescope using readily available materials and supplies. Every step of construction is detailedin photographs and diagrams, and the underlying ideas are carefully explained. As a result…

Extremely Large Telescopes are considered worldwide as one of the highest priorities in ground-based astronomy. They will vastly advance astrophysical knowledge, allowing detailed studies of subjects including planets around other stars, the first…

 It contains everything you need to know to become proficient at CCD imaging. Hundreds of detailed illustrations show you how to select equipment, take pictures, and process your images with a variety of software. This book cover everything you…