Sunspot drawing of 1981-7-6

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https://doi.org/10.7891/e-manuscripta-139195



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1981-07-06
07:30
Hs 1304.6:160
https://doi.org/10.7891/e-manuscripta-139195
Observer : Roberto Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
300 1 5 H -15 285
301 1 3 J 18 266
304 2 6 J -5 290
305 1 3 J -16 269
308 1 2 A -16 258
314 3 4 B -11 278
316 3 4 A -3 215
318 3 3 B -27 225
319 2 5 B -7 193
320 1 2 A -5 256
10 18 37