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Description: The International Glass Plates Group (IGPG) is a forum to discuss issues related to the preservation and access of astronomical glass plates in support of scientific and historical research. The group includes astronomers, librarians, and others who are involved in the use or care of astronomical glass plate collections around the world. The IGPG shares strategies for addressing common problems and explores best practices to managing collections to meet user needs.


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Astronomical Photographic Data Archive (APDA)

Information about the APDA at PARI

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