Sunspot drawing of 1980-5-17

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https://doi.org/10.7891/e-manuscripta-99956



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1980-05-17
09:00
Hs 1304.5:7190
https://doi.org/10.7891/e-manuscripta-99956
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
260 30 D -15.7 349.0
265 13 C -20.7 327.5
268 8 D -21.8 311.4
270 33 D -8.3 289.5
272 3 A 38.7 339.6
273 3 A 25.6 281.3
274 42 D 14.3 267.4
275 28 D -13.2 250.9
276 3 J -30.7 232.4
277 3 J 8.8 237.2
278 2 A -21.0 358.7
279 3 J 24.8 215.7
12 171