Sunspot drawing of 1990-6-21

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https://doi.org/10.7891/e-manuscripta-145328



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1990-06-21
06:45
Hs 1304.6:2877
https://doi.org/10.7891/e-manuscripta-145328
Observer : Michele Bianda
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
310 1 3 J -14 315
322 4 9 D -31 280
323 4 7 C 8 280
324 1 3 J -9 259
335 3 1 A -19 248
336 1 1 A -6 215
337 1 1 A -10 179
338 1 4 C 28 150
8 16 29