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 Spanish planisphere for 30° south, perfect anywhere between 25° and 35° south, so covering most of South America. It is a round planisphere, 25 cm in diameter, with instructions and a few interesting tips on the backside.
For use in for instance: Central South America, South Africa and Central (most of) Australia.
Rob Walrecht Productions is specialised in customisedplanispheres, so you can have one for any latitude zone, in any language, in any size, shape and colours, and in any design.
ISBN/Identifier9789077052068 / 9077052062
Page size25 cm/10 inch, round
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