Sunspot drawing of 1981-9-27

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https://doi.org/10.7891/e-manuscripta-139366



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1981-09-27
10:30
Hs 1304.6:231
https://doi.org/10.7891/e-manuscripta-139366
Observer : Roberto Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
468 3 5 J 11 258
471 1 3 J -9 253
484 2 4 J -9 198
486 16 24 C -8 231
487 2 3 A 15 214
488 1 3 J -13 185
493 5 9 B -7 188
494 6 7 B -13 169
495 4 7 C 9 157
496 1 3 J 5 150
497 23 30 D 8 189
498 1 3 J 11 138
499 2 3 A 14 130
500 1 3 J -17 124
14 68 107