Sunspot drawing of 1988-9-20

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https://doi.org/10.7891/e-manuscripta-143724



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1988-09-20
07:30
Hs 1304.6:2320
https://doi.org/10.7891/e-manuscripta-143724
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
232 1 3 J 32 106
240 4 6 C -10 61
251 9 6 B 20 32
252 8 11 C -16 354
253 9 13 C 32 97
254 6 9 J -36 347
255 18 19 C -37 337
257 4 2 B -20 346
258 4 7 C 28 316
259 5 4 B -18 65
260 4 2 A 19 21
261 9 8 C 33 353
262 3 5 C 23 315
263 1 1 A 16 304
264 3 6 C 21 301
265 2 2 A -39 321
16 90 104