Sunspot drawing of 1990-9-13

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https://doi.org/10.7891/e-manuscripta-145329



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1990-09-13
08:00
Hs 1304.6:2959
https://doi.org/10.7891/e-manuscripta-145329
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
492 1 3 J 4 267
496 1 3 J 13 236
499 1 3 J 7 215
500 4 5 J 17 205
507 1 4 J -10 175
511 1 2 A -15 202
515 4 6 H 9 151
516 10 16 D -13 144
517 4 9 G 22 138
518 2 5 C -26 146
519 1 1 A 6 203
520 4 3 B 12 215
521 1 1 A 10 169
522 2 6 G 19 120
14 37 67