Sunspot drawing of 1990-9-19

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https://doi.org/10.7891/e-manuscripta-145262



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1990-09-19
07:15
Hs 1304.6:2965
https://doi.org/10.7891/e-manuscripta-145262
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
507 6 10 C -11 173
515 1 4 J 10 151
516 12 16 C -13 146
517 12 10 B 22 135
518 10 8 A -27 142
522 10 13 C 20 118
526 8 6 B 16 151
528 27 26 D -13 103
531 2 1 A -23 100
533 2 1 A -18 124
534 11 13 C -9 79
535 1 3 J -25 56
536 4 3 B -26 152
13 106 114