Sunspot drawing of 1991-6-18

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https://doi.org/10.7891/e-manuscripta-145829



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1991-06-18
07:30
Hs 1304.6:3183
https://doi.org/10.7891/e-manuscripta-145829
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
296 5 6 B -22 165
298 3 8 C -6 189
300 35 35 D -13 133
301 10 11 C -28 113
302 5 12 D 11 212
303 1 3 J -15 144
305 26 25 D 8 90
306 2 3 A -9 198
307 1 2 A -15 85
308 1 1 A -28 65
309 1 3 J 23 53
11 90 109