Sunspot drawing of 1991-6-13

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https://doi.org/10.7891/e-manuscripta-145929



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1991-06-13
06:45
Hs 1304.6:3180
https://doi.org/10.7891/e-manuscripta-145929
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
280 50 56 E 31 244
281 1 3 J 11 240
283 9 9 J -19 234
285 11 15 D -13 246
286 30 17 C -22 207
287 7 8 C -14 211
292 7 9 C -17 247
293 2 4 C -1 266
295 5 3 A -18 196
296 12 10 B -22 164
298 18 17 D -6 187
300 1 1 A -10 135
301 3 4 B -29 116
13 156 156