Sunspot drawing of 1981-9-2

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https://doi.org/10.7891/e-manuscripta-139355



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1981-09-02
08:30
Hs 1304.6:214
https://doi.org/10.7891/e-manuscripta-139355
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
417 10 16 D 17 227
419 4 7 G 16 206
420 41 32 E -12 177
421 1 2 A -9 195
422 12 11 C 15 163
426 1 3 J -24 149
429 13 9 B -11 218
431 7 10 C 7 134
432 13 13 C -9 133
433 1 3 J 12 128
436 3 5 H -16 123
437 3 3 B 18 138
438 2 3 J -19 112
13 111 117