Sunspot drawing of 1990-6-13

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https://doi.org/10.7891/e-manuscripta-145348



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1990-06-13
07:15
Hs 1304.6:2869
https://doi.org/10.7891/e-manuscripta-145348
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
300 25 29 D 9 26
310 9 9 C -14 316
312 5 5 A 24 327
313 23 25 D 23 17
318 4 5 A 17 307
319 5 3 A 15 27
320 5 4 B -13 337
321 1 1 A -15 302
322 10 8 B -30 283
323 4 6 J 7 279
324 2 5 C -9 260
11 93 100