Sunspot drawing of 1988-12-21

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https://doi.org/10.7891/e-manuscripta-143760



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1988-12-21
09:15
Hs 1304.6:2397
https://doi.org/10.7891/e-manuscripta-143760
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
400A 7 12 C -32 319
405 8 10 C 21 310
405A 13 18 C 23 301
406 39 47 D 27 274
407 27 31 D 24 264
407A 7 8 B 28 253
409 24 25 D -22 264
410 16 23 D 16 221
413 26 30 D 20 201
414 27 27 D 17 264
415 4 7 B -33 281
416 2 2 A 15 185
417 2 4 J 22 168
13 202 244