Sunspot drawing of 1970-10-3

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https://doi.org/10.7891/e-manuscripta-96406



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1970-10-03
07:00
Hs 1304.5:4275
https://doi.org/10.7891/e-manuscripta-96406
Observer : Sergio Cortesi
Seeing (SIDC) : 2
Group Not Weighted Weighted Type Latitude Carrington Longit.
420 9 H -6.8 282.5
426 15 C 17.4 243.4
431 3 A 17.8 191.5
432 11 D -10.8 181.7
4 38