Sunspot drawing of 1981-9-4

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https://doi.org/10.7891/e-manuscripta-139412



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1981-09-04
14:15
Hs 1304.6:215
https://doi.org/10.7891/e-manuscripta-139412
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
419 2 6 C 16 207
420 26 31 E -12 178
421 1 2 A -9 196
422 3 4 C 16 162
426 2 3 J -24 148
431 3 6 C 8 134
432 20 23 H -10 131
433 1 3 J 12 127
436 8 10 H -16 122
437 3 2 B 18 136
438 1 2 A -18 111
439 6 7 C -6 126
440 2 2 A 29 91
441 6 14 D 10 60
442 1 3 J 15 55
15 85 118