Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Alpha Telescopii is the brightest star in the constellation Telescopium. Alpha Telescopii is a blue-white B-type subgiant with an apparent magnitude of +3.49. It is approximately 249 light years from Earth. The Tycho Catalog marks it as a possible intrinsic variable. It was a former member of the constellation Corona Australis with Ptolemy including it in that constellation before Telescopium was created separately by Nicolas Louis de Lacaille in the 18th century.
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