Sunspot drawing of 1981-7-16

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https://doi.org/10.7891/e-manuscripta-139138



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1981-07-16
07:15
Hs 1304.6:170
https://doi.org/10.7891/e-manuscripta-139138
Observer : Roberto Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
322 3 4 J 19 118
324 55 39 D -8 105
327 35 26 D -28 100
333 23 22 D 21 108
336 16 18 D 15 48
337 16 15 D -11 49
339 3 4 J -20 37
341 23 18 B -10 94
342 2 4 J 15 18
343 1 1 A -23 88
344 4 3 B 7 71
345 4 4 B -14 46
346 1 3 J 10 8
13 186 161