Sunspot drawing of 1981-6-23

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https://doi.org/10.7891/e-manuscripta-139115



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1981-06-23
07:30
Hs 1304.6:149
https://doi.org/10.7891/e-manuscripta-139115
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
282 1 3 J -25 106
283 16 17 D -20 94
284A 3 3 B 10 100
290 36 41 D 14 356
291 6 6 C -13 13
292 1 1 A -16 353
293 2 5 J -9 338
294 5 5 J -6 330
295 3 3 A 15 45
296 2 2 A 24 322
10 75 86