Sunspot drawing of 1989-6-21

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https://doi.org/10.7891/e-manuscripta-144528



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1989-06-21
08:00
Hs 1304.6:2555
https://doi.org/10.7891/e-manuscripta-144528
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
275 6 10 C 16 87
276 1 3 J -10 94
279 10 15 C -19 71
285 5 4 B 31 42
286 3 3 B 17 81
292 12 3 J -20 10
293 9 9 C 18 16
296 2 1 A 22 43
297 18 18 D 20 358
298 1 3 J -16 338
299 9 8 B -12 3
300 5 7 C 29 61
304 35 33 E -19 308
306 2 1 A -22 34
307 16 22 D 26 303
308 8 11 D -19 289
309 1 2 A 17 287
310 1 3 J 9 282
18 144 156