Sunspot drawing of 1990-8-17

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https://doi.org/10.7891/e-manuscripta-145394



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1990-08-17
08:30
Hs 1304.6:2932
https://doi.org/10.7891/e-manuscripta-145394
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
427 2 3 B -12 257
431 7 9 C 14 241
432 6 9 C -9 249
434 27 34 D 13 231
439 1 9 C 19 210
439A 8 4 J 16 204
441 11 10 B -16 196
442 16 19 C 3 214
443 8 8 B -2 207
444 15 14 C 23 180
447 9 12 B 5 257
448 16 16 B 8 200
450 17 18 C -10 168
451 10 10 H -28 161
452 10 13 H 11 152
454 5 3 A 21 193
455 9 7 B 13 131
456 1 2 A -16 211
457 6 5 B -17 168
458 5 7 B -17 125
20 189 212