Sunspot drawing of 1990-7-28

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https://doi.org/10.7891/e-manuscripta-145267



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1990-07-28
07:00
Hs 1304.6:2912
https://doi.org/10.7891/e-manuscripta-145267
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
389 4 10 C -28 165
390 14 27 D 10 144
392 1 3 J -21 121
397 5 6 C 25 134
398 3 6 J -13 104
400 11 9 B 10 92
402 19 17 B -24 80
403 3 5 C -12 79
404 26 17 B -20 71
405 2 5 J -19 183
406 2 5 J 15 48
408 3 2 B -22 110
409 4 8 J 18 34
410 4 3 B -9 48
411 2 3 B 16 178
15 103 126