Sunspot drawing of 1972-6-30

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https://doi.org/10.7891/e-manuscripta-97176



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1972-06-30
07:00
Hs 1304.5:4795
https://doi.org/10.7891/e-manuscripta-97176
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
203 12 9 C 9.6 169.1
205 1 2 A 5.6 170.3
209 3 2 B -8.3 129.6
210 48 40 D 7.8 105.9
211 1 3 J -13.6 87.0
213 10 9 B 4.4 97.0
217 8 9 C 13.4 47.5
7 83 74