Sunspot drawing of 1988-9-18

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https://doi.org/10.7891/e-manuscripta-143706



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1988-09-18
07:15
Hs 1304.6:2318
https://doi.org/10.7891/e-manuscripta-143706
Observer : Marco Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
232 15 17 C 32 104
240 16 17 C -10 61
249 2 1 A 29 46
251 13 17 B 19 31
252 9 12 C -16 355
253 9 10 C 31 96
254 2 5 J -37 346
255 4 7 C -37 333
8 70 86