Sunspot drawing of 1958-6-18

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https://doi.org/10.7891/e-manuscripta-88165



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1958-06-18
07:30
Hs 1304.5:439
https://doi.org/10.7891/e-manuscripta-88165
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
315 65 46 E 14.7 102.0
316 8 11 D -26.0 88.1
325 1 4 J 5.6 49.3
326 3 3 A -8.9 139.8
328 6 6 B 11.2 80.1
329 2 2 B 6.5 80.2
330 6 8 D 19.4 37.4
331 2 3 A -15.4 28.3
332 2 4 C 12.5 17.7
9 95 87