Sunspot drawing of 1969-8-13

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https://doi.org/10.7891/e-manuscripta-95886



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1969-08-13
09:15
Hs 1304.5:3920
https://doi.org/10.7891/e-manuscripta-95886
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
340 11 D -31.1 3.2
342 4 J 9.5 286.8
343 8 B -13.2 303.1
348 8 C -14.8 254.5
349 1 A 19.8 337.9
350 2 B 12.2 319.9
6 34