Sunspot drawing of 1981-10-7

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https://doi.org/10.7891/e-manuscripta-139364



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1981-10-07
10:45
Hs 1304.6:236
https://doi.org/10.7891/e-manuscripta-139364
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
500 1 3 J -17 127
503 2 2 A -18 107
504 29 31 D 13 116
509 7 7 B -6 75
510 3 5 J 9 66
511 1 3 J -14 148
513 4 3 A 7 100
514 16 19 C -7 95
516 13 12 C -11 90
517 3 2 A 10 74
518 4 4 B 20 70
519 5 4 A 13 58
520 25 26 C -9 53
521 1 2 A 17 347
14 114 123