Sunspot drawing of 1991-6-21

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https://doi.org/10.7891/e-manuscripta-145940



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1991-06-21
06:30
Hs 1304.6:3185
https://doi.org/10.7891/e-manuscripta-145940
Observer : Michele Bianda
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
300 29 31 D -13 133
303 8 9 B -14 149
305 13 14 C 8 92
307 2 2 A -15 85
308 1 1 A -23 69
309 2 5 J 22 50
311 14 15 C 15 85
312 11 12 C -16 57
313 1 2 A 19 172
314 6 10 C -28 102
315 1 1 A -5 110
316 2 2 A 4 78
317 1 2 A -25 18
318 1 2 A -15 18
14 92 108