Sunspot drawing of 1981-10-18

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https://doi.org/10.7891/e-manuscripta-139394



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1981-10-18
07:30
Hs 1304.6:246
https://doi.org/10.7891/e-manuscripta-139394
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
525 4 5 C -16 356
526 3 6 H -20 341
527 7 7 J 19 328
528 33 39 E -18 331
533 19 26 D -19 320
536 103 85 F -10 271
538 32 32 D -8 249
539 2 4 B 14 327
542 6 10 B -9 237
544 1 2 A -5 314
545 3 2 A 10 287
546 2 2 A 14 261
547 4 4 B 18 248
548 1 1 A -6 201
14 220 225