Sunspot drawing of 1988-9-28

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https://doi.org/10.7891/e-manuscripta-143787



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1988-09-28
08:00
Hs 1304.6:2327
https://doi.org/10.7891/e-manuscripta-143787
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
254 1 3 J -37 344
257 1 2 A -20 342
258 25 21 C 28 316
262A 8 7 B 23 313
264 12 10 B 22 300
267 2 4 A 19 330
270 15 11 C 18 256
271 1 1 A -18 255
272 31 20 C 19 259
274 23 25 D -26 222
277 1 1 A 28 290
278 6 4 B 28 273
279 2 1 A -31 236
13 128 110