Sunspot drawing of 1981-7-10

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https://doi.org/10.7891/e-manuscripta-139217



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1981-07-10
09:15
Hs 1304.6:164
https://doi.org/10.7891/e-manuscripta-139217
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
322 9 11 C 20 121
323 6 8 C -10 129
324 32 37 E -9 98
326 1 2 A 21 141
327 15 20 D -27 102
328 4 7 C -26 222
329 14 15 C -7 173
330 3 4 A 10 161
331 1 2 A -17 90
9 85 106