Sunspot drawing of 1981-10-4

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https://doi.org/10.7891/e-manuscripta-139415



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1981-10-04
09:30
Hs 1304.6:235
https://doi.org/10.7891/e-manuscripta-139415
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
495 2 5 J 10 160
496 1 1 A 7 157
499 2 5 C 15 134
500 1 3 J -15 126
501 4 7 J -4 157
502 1 3 J 17 145
503 25 26 C -18 108
504 30 27 C 14 114
509 6 10 J -6 72
510 7 18 D 10 66
511 1 3 J -15 142
512 1 1 A -24 132
513 10 9 B 8 97
514 21 23 D -7 93
515 3 5 J -24 97
15 115 146