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Bibliotheek / Beisbroek


Atlas Borealis 1950.0

Code: ATL0100
Auteurs: Becvar Antonin
Korte beschrijving: Contains all stars having precisely determined positions between  +30 and +90 degrees.It measures stars down to and beyond 12.75. It also identifies double stars, spectroscopic binaries, variable stars down to magnitude 10, and also all the stars are colour coded in seven different colour depending on spectral class. The boundaries of the constellations have been set to the equinox of the atlas 1950.0