Sunspot drawing of 1991-5-28

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https://doi.org/10.7891/e-manuscripta-146003



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1991-05-28
07:00
Hs 1304.6:3166
https://doi.org/10.7891/e-manuscripta-146003
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
246 2 5 C -14 135
252 53 52 D 21 50
253 8 13 D 17 100
257 3 2 A -11 33
258 2 3 J -14 21
259 6 7 B 20 91
260 21 18 B -25 64
261 10 14 H -10 357
264 14 20 D 7 347
265 3 4 B 13 52
266 3 2 A 5 45
267 2 1 A -18 32
268 3 3 B -8 342
13 130 144