Sunspot drawing of 1967-7-18

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https://doi.org/10.7891/e-manuscripta-94989



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1967-07-18
07:30
Hs 1304.5:3281
https://doi.org/10.7891/e-manuscripta-94989
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
269 6 J 25.4 296.5
270 3 B -19.7 265.4
271 17 B -18.0 248.6
272 6 C -19.7 210.6
273 2 A 8.4 202.7
275 1 A 28.9 233.2
276 8 D -22.7 159.5
277 1 A -32.1 173.6
8 44