File:NGC 1807 and NGC 1817 separation.jpg

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English: An image and chart showing the measurement of the separation between the two clusters in Cartes du Ciel
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Source Own work
Author Markarianuk

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11 December 2021

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Date/TimeThumbnailDimensionsUserComment
current13:04, 11 December 2021Thumbnail for version as of 13:04, 11 December 20212,000 × 1,327 (829 KB)MarkarianukCross-wiki upload from en.wikipedia.org

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