Sunspot drawing of 1981-8-31

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https://doi.org/10.7891/e-manuscripta-139417



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1981-08-31
07:30
Hs 1304.6:212
https://doi.org/10.7891/e-manuscripta-139417
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
410 1 3 J -9 272
414 1 3 J 21 244
415 5 8 B -7 252
417 21 3 A 16 229
418 7 11 B 18 217
419 17 19 D 15 206
420 42 36 E -12 179
421 2 3 J -9 193
422 20 13 C 15 163
424 2 3 A -7 157
425 2 2 A 20 229
426 2 3 J -24 149
427 2 3 A -6 242
429 2 2 A -10 218
431 11 11 D 7 133
432 6 8 H -10 131
433 1 3 J 11 128
434 3 3 A -15 166
435 2 2 A 11 168
436 2 4 H -16 123
437 2 1 A 17 139
21 153 144