Sunspot drawing of 1990-8-18

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https://doi.org/10.7891/e-manuscripta-145201



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1990-08-18
07:30
Hs 1304.6:2933
https://doi.org/10.7891/e-manuscripta-145201
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
431 5 6 C 14 241
432 2 3 J -9 252
434 23 32 D 13 231
439 1 7 C 19 209
439A 7 3 J 16 204
441 5 6 C -16 193
442 15 17 C 3 215
444 8 10 C 23 180
447 4 6 C 6 255
448 23 26 D 7 201
450 24 25 D -10 167
451 7 10 H -27 159
452 2 8 H 10 152
455 15 13 C 13 132
456 1 1 A -15 212
457 3 6 G -16 168
458 4 3 B -17 126
459 4 4 B -34 186
460 8 6 B 20 130
461 5 12 D -12 104
462 3 12 D -22 101
21 169 216