Sunspot drawing of 1990-8-20

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https://doi.org/10.7891/e-manuscripta-145399



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1990-08-20
07:00
Hs 1304.6:2935
https://doi.org/10.7891/e-manuscripta-145399
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
434 10 20 D 13 232
439 4 4 B 19 210
439A 2 3 J 16 205
441 6 5 B -17 193
444 5 6 B 23 181
448 21 27 D 7 203
450 40 48 D -10 168
451 5 8 H -27 159
452 3 7 H 10 152
455 28 26 D 13 131
456 11 14 C -18 209
457 4 6 B -16 171
459 10 14 C -34 186
460 15 10 B 21 130
461 24 37 D -12 101
462 30 27 D -22 97
463 4 8 C 15 151
464 3 3 A 11 167
465 3 2 A 11 104
466 4 8 D -27 82
467 2 5 C -6 74
21 234 288