Fig. 14


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Eclipse drawings on 1766 February 9 by the officers of the Comte d’Artois adopted from Le Gentil (1781) and on 1860 July 18 from Lambessa in Algeria and Torreblanca in Spain adopted from Ranyard (1879). The two eclipse drawings show cross-like coronal structure as in the drawing of the total eclipse on 1715 May 3 in Cotes’ correspondence (see Fig. 13). The right hand figure shows a quite different drawing of the 1860 July 18 event from that by Bullard shown in the middle panel. This depiction by Tempel does not show the crossed streamer structure and appears to show a feature, also seen by several other observers, consistent with a coronal mass ejection. For all panels the solar axes are all placed vertically (see Ranyard, 1879, pp. 505, 575–577).

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