Sunspot drawing of 1968-6-4

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https://doi.org/10.7891/e-manuscripta-95483



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1968-06-04
08:00
Hs 1304.5:3550
https://doi.org/10.7891/e-manuscripta-95483
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
237 3 J 25.2 16.0
238 2 A 17.6 5.4
248 10 C 9.6 337.2
249 4 J -11.3 333.2
250 24 E -33.9 322.2
252 3 B -14.6 310.3
255 8 J 16.3 293.9
260 3 C 18.3 253.9
261 21 D -13.8 246.1
9 78