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File:Old RA diagram.png

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Summary

Description Diagram from Bleau, Guilielmi (1668), Institutio Astronomica, depicting the orientation of the horizon, polar axis, and the celestial equator; for purposes of showing how the "ascension" was defined.
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Author Tfr000 (talk) 19:36, 12 June 2012 (UTC)

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12 June 2012

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Date/TimeThumbnailDimensionsUserComment
current19:36, 12 June 2012Thumbnail for version as of 19:36, 12 June 20121,158 × 471 (175 KB)Tfr000{{Information |Description=Diagram from Bleau, Guilielmi (1668), ''Institutio Astronomica'', depicting the orientation of the horizon, polar axis, and the celestial equator; for purposes of showing how the "ascension" was defined. |Date=12 Jun 2012 |So...
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