Sunspot drawing of 1981-8-23

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https://doi.org/10.7891/e-manuscripta-139331



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1981-08-23
08:00
Hs 1304.6:204
https://doi.org/10.7891/e-manuscripta-139331
Observer : Michele De Lorenzi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
391 4 10 G -15 6
400 3 5 J -2 324
401 5 12 C -17 321
406 13 18 C 11 308
407 13 20 C -8 292
408 8 14 C -11 283
409 2 3 B -15 290
410 8 16 D -8 265
411 1 1 A -20 317
413 10 12 C 12 274
414 8 15 D 21 246
415 4 6 B -5 250
416 5 9 C -2 297
417 3 7 J 17 229
418 3 9 G 17 218
15 90 157