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      • Astronomy, space & time

        PLN-50NL - Dutch Holiday Planisphere for 50° north

        The perfect way to learn how to recognise the stars and constellations, very accurate between 45° and 55° north latitude

        by Rob Walrecht

        A Planisphere or ‘Star Wheel’ is the perfect way to learn how to recognise the stars and constellations. It consists of a star chart showing all stars and constellations that are visible from a certain area (latitude). However, stars rise and set and the Night Sky changes from season to season. Therefore a second disc is placed on top of the star chart, containing a ‘horizon’ that defines the visible part of the sky at any given moment, which is naturally half of the total starry sky. That moment can be set at the desired date and time. Rob Walrecht’s planisphere design is very modern and attractive. His planispheres are among the best in the world. His programme is the most extensive in the world, with English planispheres for the entire populated world, and planispheres in thirteen other languages (in 2013). The basic star chart contains some 700 stars and 300 ‘objects for binoculars’: galaxies, nebulae, open and globular clusters, double and variable stars that can be seen with the naked eye or at least with binoculars. This is an English planisphere for 50° north, perfect anywhere between 45° and 55° north. It is a round planisphere, 25 cm in diameter, with instructions and a few interesting tips on the backside. For use in for instance: Northern USA, Southern Canada, Central Europe and Central Asia. Rob Walrecht Productions is specialised in customised planispheres, so you can have one for any latitude zone, in any language, in any size, shape and colours, and in any design.

      • September 2018

        NEW HUMAN FOOTPRINT - Unsere Welt im Umbruch

        by Markus Eisl, Gerald Mansberger

        The satellite images presented in New Human Footprint show impressively the status of and trends in our world at the beginning of the third millennium. Organized in thematic sections, large-format double pages display finest details in satellite images acquired from an altitude of 600 kilometers by satellites of the latest generation. The images provide a spectacular overview of landscapes formed or influenced by man in various ways.

      • October 2016

        CITIES - Brennpunkte der Menschheit

        by Markus Eisl, Gerald Mansberger, Peter Matzanetz, Paul Schreilechner,

        The satellite image book CITIES - Brennpunkte der Menschheit shows the fascinating variety of cities from all over the world. Repeatedly the selection of spectacular  high resolution images taken by state-of-the-art satellites surprises with unexpected perspectives. Cities in extreme situations, ghost towns planned for millions of people, fascinating city layouts are presented in an appealing sequence. Systematic, planned structures and chaotically grown patterns are shown in the colors of all continents. The dynamics of rise and fall is visible in the images as well as the current, increasingly rapid development of megacities.

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