Sunspot drawing of 1981-8-4

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https://doi.org/10.7891/e-manuscripta-139059



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1981-08-04
06:30
Hs 1304.6:186
https://doi.org/10.7891/e-manuscripta-139059
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
358 1 3 J -3 277
364 25 25 C 16 216
369 18 20 D 19 218
373 8 17 D 22 246
374 8 9 C -8 239
376 2 4 J 11 127
377 3 3 A -6 251
378 4 2 A -24 145
379 18 30 E -8 116
9 87 113