Sunspot drawing of 1990-8-15

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https://doi.org/10.7891/e-manuscripta-145119



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1990-08-15
07:30
Hs 1304.6:2930
https://doi.org/10.7891/e-manuscripta-145119
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
427 5 7 C -12 257
431 17 17 C 14 240
432 11 20 D -9 248
434 37 38 D 13 230
436 1 2 A -18 268
439 5 12 C 19 209
439A 12 7 C 16 203
441 12 16 B -15 197
442 15 21 C 3 214
443 3 5 B -2 209
444 14 17 C 22 182
447 10 15 C 6 255
448 5 5 B 9 199
450 4 6 B -10 167
451 1 4 H -28 162
452 5 13 H 11 152
453 2 3 B -18 183
17 159 208