Sunspot drawing of 1958-5-21

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https://doi.org/10.7891/e-manuscripta-88055



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1958-05-21
07:00
Hs 1304.5:416
https://doi.org/10.7891/e-manuscripta-88055
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
241 1 3 J -18.4 189.5
241A 6 6 B -18.2 176.7
249 1 4 J -23.8 142.5
251 7 14 D -6.7 130.9
253 34 34 E 39.7 110.6
254 14 16 C 20.4 80.5
255 3 5 B 18.4 174.7
256 4 5 J -23.1 119.6
257 21 18 D 8.7 94.1
259 24 26 D 24.7 135.0
261 3 3 J 17.5 60.8
262 4 4 A -12.3 81.3
263 1 3 J 8.8 32.5
264 1 3 J -15.7 33.9
14 124 144