Sunspot drawing of 1970-8-21

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https://doi.org/10.7891/e-manuscripta-96476



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1970-08-21
07:30
Hs 1304.5:4236
https://doi.org/10.7891/e-manuscripta-96476
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
351 8 G -16.8 152.0
352 21 H 7.9 93.2
357 11 C 12.4 53.9
358 3 J -16.4 161.7
360 11 C -5.6 80.9
361 19 D 21.1 72.6
362 2 A -5.9 52.4
364 3 J 4.8 29.5
365 19 D 18.1 42.3
366 4 J 10.3 353.2
10 101