Sunspot drawing of 1990-6-17

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https://doi.org/10.7891/e-manuscripta-145222



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1990-06-17
07:15
Hs 1304.6:2873
https://doi.org/10.7891/e-manuscripta-145222
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 5 11 C -14 315
312 2 6 C 28 317
322 13 12 C -30 282
323 16 16 C 7 282
324 12 10 C -9 259
327 2 2 B -28 307
328 2 2 B -36 295
329 4 3 B 13 279
331 1 1 A -20 273
9 57 63