Sunspot drawing of 1981-7-28

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https://doi.org/10.7891/e-manuscripta-139052



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1981-07-28
06:30
Hs 1304.6:179
https://doi.org/10.7891/e-manuscripta-139052
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
342 3 7 D 16 7
349 10 24 D -7 340
351 5 13 D -18 341
352 2 4 J -19 317
353 50 72 F -13 289
354 1 3 J -19 284
356 12 17 C 12 275
357 7 10 H -13 278
358 4 7 C -3 271
359 8 10 C -6 252
361 1 1 A 24 301
363 1 2 A -17 355
364 4 8 G 15 218
13 108 178