Sunspot drawing of 1981-6-12

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https://doi.org/10.7891/e-manuscripta-139124



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1981-06-12
07:15
Hs 1304.6:138
https://doi.org/10.7891/e-manuscripta-139124
Observer : Roberto Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
275 12 15 C 11 174
278 9 14 D -25 151
279 4 8 J -23 133
281 3 3 B 13 168
282 6 12 D -26 112
283 2 6 G -20 98
284 1 2 A 7 99
7 37 60