Sunspot drawing of 1981-7-7

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https://doi.org/10.7891/e-manuscripta-139095



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1981-07-07
08:00
Hs 1304.6:161
https://doi.org/10.7891/e-manuscripta-139095
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
300 1 4 H -16 287
301 3 4 B 19 265
305 1 3 J -17 270
314 1 2 A -11 278
319 7 11 C -7 194
320 3 3 B -5 261
321 2 3 B -7 171
322 1 3 J 21 121
8 19 33