Sunspot drawing of 1990-9-15

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https://doi.org/10.7891/e-manuscripta-145305



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1990-09-15
15:15
Hs 1304.6:2961
https://doi.org/10.7891/e-manuscripta-145305
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
496 1 3 J 13 236
499 1 3 J 7 215
500 3 3 B 15 203
507 11 13 C -10 173
511 3 4 B -17 203
515 9 11 H 9 152
516 25 29 D -13 143
517 7 16 D 22 137
518 7 8 C -27 145
520 8 11 C 11 215
522 2 6 G 19 119
523 4 3 B 19 202
525 5 5 B -9 185
527 6 8 B -19 126
528 3 10 H -13 105
15 95 133