The astrolabe is a great catch and has been a symbol of the Indian gods, which has a long history.
It was also the first and largest celestial instrument, the astrolab in fact was invented by the British mathematician, Edward Halley in 1786.
The Calder Trophy is awarded by the Astrolabe Society to the best astrologer, astrologers and astronomers in the world.
The astrolabbes who are awarded this award include the Indian mathematician, Ramesh Bhattacharya, the British astronomer, William Paley and the Dutch astronomer, Hans Christian Andersen.
The winners of the Caldral Trophy are the Indian astronomer, R. V. Narasimha Rao, who has won in four of the last five years, while the astrologist, J. A. Nair, who won the Astrology Trophy in 2014.