Sunspot drawing of 1958-5-12

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https://doi.org/10.7891/e-manuscripta-88100



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1958-05-12
07:00
Hs 1304.5:409
https://doi.org/10.7891/e-manuscripta-88100
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
223 3 H 10.9 297.1
224 7 H 26.3 291.5
231 15 C 12.5 254.7
236 5 B 12.4 281.0
237 33 E 8.2 264.5
239 1 A -5.6 217.4
240 27 D -8.6 206.0
241/241A 63 F -19.4 185.9
245 4 B -13.5 224.2
247 2 A 9.4 164.8
248 2 A -22.7 163.3
249 3 J -23.5 147.5
12 165