Sunspot drawing of 1990-9-11

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https://doi.org/10.7891/e-manuscripta-145319



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1990-09-11
08:30
Hs 1304.6:2957
https://doi.org/10.7891/e-manuscripta-145319
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
492 3 5 J 4 266
496 2 5 J 12 235
499 4 5 J 7 215
500 7 9 C 18 203
501 7 5 A 21 283
506 2 2 B 17 223
507 7 9 C -10 172
509 1 2 A 36 281
510 1 1 A -20 208
511 4 3 B -18 202
512 1 1 A -21 253
513 2 2 B -32 192
514 4 3 A -19 184
515 1 4 J 9 152
516 2 4 J -13 145
517 2 6 C 22 139
518 1 3 J -28 145
17 51 69