Sunspot drawing of 1958-6-20

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https://doi.org/10.7891/e-manuscripta-88150



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1958-06-20
09:00
Hs 1304.5:441
https://doi.org/10.7891/e-manuscripta-88150
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
315 31 29 E 15.2 101.5
316 8 12 C -25.9 89.1
325 1 3 J 6.4 49.7
330 7 13 D 19.4 37.7
332 11 16 D 12.3 14.2
334 1 2 A -8.2 356.3
335 13 12 E -12.8 353.3
7 72 87