Sunspot drawing of 1961-9-22

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https://doi.org/10.7891/e-manuscripta-92662



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1961-09-22
06:45
Hs 1304.5:1471
https://doi.org/10.7891/e-manuscripta-92662
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
267 5 D 15.1 285.1
272 5 C 17.9 205.7
275 3 A 3.8 248.7
276 2 B 7.0 187.3
277 2 A 4.5 220.0
5 17