Sunspot drawing of 1981-8-19

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https://doi.org/10.7891/e-manuscripta-139047



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1981-08-19
08:00
Hs 1304.6:200
https://doi.org/10.7891/e-manuscripta-139047
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
383 4 4 B -13 55
391 65 58 E -15 6
397B 2 1 A 16 15
398 31 20 C -7 342
400 2 4 J -2 326
401 17 19 G -16 323
404 8 10 G -5 330
404A 8 10 B -6 320
405 11 11 B 10 45
406 1 1 A 17 304
407 12 15 D -7 294
408 5 11 C -10 282
12 166 164