Sunspot drawing of 1981-7-19

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https://doi.org/10.7891/e-manuscripta-139219



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1981-07-19
14:45
Hs 1304.6:172
https://doi.org/10.7891/e-manuscripta-139219
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
324 14 20 D -8 107
327 5 9 H -28 99
333 2 3 B 23 108
337 2 3 J -10 49
339 1 2 A -19 37
341 8 13 C -9 95
342 19 19 D 15 10
344 7 10 D 6 73
346 4 6 J 10 8
348 8 7 B 4 60
349 5 12 G -8 339
11 75 104