Sunspot drawing of 1959-8-18

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https://doi.org/10.7891/e-manuscripta-91489



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1959-08-18
07:00
Hs 1304.5:816
https://doi.org/10.7891/e-manuscripta-91489
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
646 3 B 14.9 312.5
647 12 C 14.0 253.1
648 42 D 11.4 262.2
654 8 C -7.3 288.2
657 48 E 4.9 210.5
659 10 B 9.9 209.6
660 2 A -7.0 211.8
662 5 J 18.5 189.5
663 9 C 9.0 182.7
664 6 C -7.5 198.2
665 2 A 21.6 238.1
666 2 A 9.5 225.5
667 12 C 28.4 186.2
668 9 C 14.3 145.8
669 4 B -11.3 157.5
15 174