Sunspot drawing of 1990-6-20

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https://doi.org/10.7891/e-manuscripta-145097



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1990-06-20
09:15
Hs 1304.6:2876
https://doi.org/10.7891/e-manuscripta-145097
Observer : Michele Bianda
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 1 4 J -14 314
322 4 8 D -30 282
323 9 14 C 8 279
324 3 5 J -9 260
333 2 3 B -6 282
334 1 1 A -8 241
6 20 35