Sunspot drawing of 1991-6-15

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https://doi.org/10.7891/e-manuscripta-145958



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1991-06-15
07:30
Hs 1304.6:3182
https://doi.org/10.7891/e-manuscripta-145958
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
280 21 34 D 32 242
283 2 4 C -18 234
285 4 9 G -13 248
286 3 3 B -22 208
287 7 10 C -12 212
296 11 15 C -21 164
298 8 10 C -6 186
300 7 8 B -12 135
301 5 4 A -28 119
302 7 9 C 11 210
303 3 6 C -13 151
304 2 1 A 10 136
305 3 10 D 8 91
13 83 123