Sunspot drawing of 1999-8-21

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https://doi.org/10.7891/e-manuscripta-150474



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1999-08-21
07:30
Hs 1304.6:5711
https://doi.org/10.7891/e-manuscripta-150474
Observer : Sergio Cortesi
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
253 10 16 H 21 335
256 4 3 B 16 353
257 6 15 E -20 250
258 7 12 H -24 256
259 2 5 J -28 238
5 29 51