Sunspot drawing of 1970-8-18

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https://doi.org/10.7891/e-manuscripta-96604



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1970-08-18
07:15
Hs 1304.5:4234
https://doi.org/10.7891/e-manuscripta-96604
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
346 9 15 D 21.0 198.4
349 15 15 D -10.1 180.5
350 10 9 B -11.2 111.5
351 16 22 D -16.8 151.9
352 32 30 H 8.3 93.9
356 2 1 A 20.1 132.6
357 4 4 B 12.9 53.4
358 2 3 B -13.7 162.5
359 2 1 A -0.2 98.3
9 92 100