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The top documents tagged [henry draper catalogue]
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Binary systems: from 0.2 arcsec to 2 deg Double stars observers 2010 José Antonio Caballero Centro de Astrobiología (CSIC-INTA), Madrid
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Astronomical Catalogues The science and art of collecting and disseminating data Carlos E. Lopez Universidad Nac. de San Juan, Argentina and Yale Southern
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Chapter 16/Chapter17
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