Sunspot drawing of 1990-6-23

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https://doi.org/10.7891/e-manuscripta-145120



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1990-06-23
09:00
Hs 1304.6:2878
https://doi.org/10.7891/e-manuscripta-145120
Observer : Michele Bianda
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
322 3 7 D -31 278
324 1 3 J -9 260
337 13 14 C -9 180
338 2 3 J 28 148
339 2 6 D -19 137
5 21 33