Sunspot drawing of 1991-7-28

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https://doi.org/10.7891/e-manuscripta-145785



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1991-07-28
07:15
Hs 1304.6:3222
https://doi.org/10.7891/e-manuscripta-145785
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
382 1 2 A -10 27
383 21 32 C 8 355
384 1 4 J 6 2
386 1 3 J -17 2
389 5 8 C -14 358
390 58 56 C 9 336
392 4 3 A -11 19
394 3 5 J 1 337
397 8 8 B -20 359
398 8 9 C -19 278
399 8 5 B -6 350
400 4 3 B 12 276
401 1 1 A 12 301
402 4 3 A -19 26
403 10 7 B 7 323
404 1 1 A -1 283
405 1 2 A 19 243
17 139 152