Sunspot drawing of 1971-4-21

Previous  

Next

https://doi.org/10.7891/e-manuscripta-96737



Could not load any scan. Please try again later.
1971-04-21
07:45
Hs 1304.5:4436
https://doi.org/10.7891/e-manuscripta-96737
Observer : Sergio Cortesi
Seeing (SIDC) : 3
Group Not Weighted Weighted Type Latitude Carrington Longit.
117 3 J 2.0 183.2
118 8 H -5.6 175.9
119 22 C 18.1 152.1
120 6 C 8.6 156.7
126 2 A -11.4 77.4
128 2 A 11.3 126.6
129 2 A -9.5 138.1
130 2 A -18.6 32.3
8 47