Sunspot drawing of 1981-9-15

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https://doi.org/10.7891/e-manuscripta-139342



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1981-09-15
07:00
Hs 1304.6:224
https://doi.org/10.7891/e-manuscripta-139342
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
441 14 23 D 8 63
442 1 3 J 15 54
452 5 3 B 10 52
454 25 23 D 19 339
457 6 4 B -18 2
458 15 27 D 15 343
459 5 4 B -17 323
460 2 2 A -4 315
463 5 3 B -15 311
464 2 3 J 10 292
465 5 6 C -7 287
11 85 101