![Astrograph / Van Altena / Epoch / Leoncito Astronomical Complex / Klemola / United States Naval Observatory / Astronomy / Main Belt asteroids / Astrometry Astrograph / Van Altena / Epoch / Leoncito Astronomical Complex / Klemola / United States Naval Observatory / Astronomy / Main Belt asteroids / Astrometry](https://www.pdfsearch.io/img/cd5044c5fa792cebe700ae65d9fa531b.jpg) Date: 2012-09-12 15:26:56Astrograph Van Altena Epoch Leoncito Astronomical Complex Klemola United States Naval Observatory Astronomy Main Belt asteroids Astrometry | | Southern Proper Motion Survey: SPM4 100 million absolute proper motions William van Altena, Terry Girard & Dana Casetti-Dinescu (Yale University) Carlos López (University of San Juan, Argentina) Imants Platais (JHU)Add to Reading ListSource URL: www.ast.cam.ac.ukDownload Document from Source Website File Size: 2,81 MBShare Document on Facebook
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