Sunspot drawing of 1981-9-25

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https://doi.org/10.7891/e-manuscripta-139398



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1981-09-25
07:45
Hs 1304.6:230
https://doi.org/10.7891/e-manuscripta-139398
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
464 1 2 A 10 294
468 14 16 C 11 257
471 1 3 J -9 253
480 3 2 A 21 250
481 3 2 A 21 227
484 1 3 J -9 198
485 2 2 A -4 247
486 14 7 B -8 231
487 2 2 B 15 213
488 2 3 J -14 186
489 3 2 B -23 240
490 4 2 A 17 234
491 3 2 A 17 202
492 2 2 B -10 190
493 11 8 B -7 187
494 6 8 C -14 170
495 3 5 B 8 153
496 1 3 J 4 150
18 76 74