Sunspot drawing of 1981-6-9

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https://doi.org/10.7891/e-manuscripta-139223



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1981-06-09
08:30
Hs 1304.6:135
https://doi.org/10.7891/e-manuscripta-139223
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
272 6 8 C -9 224
275 13 17 C 11 173
276 2 2 A 24 274
277 1 1 A -11 222
278 1 2 A -27 147
279 3 7 J -23 135
6 26 37