Monthly Sunspot Classification and Coordinates
December 2018 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 02 | 0 | NS |
| Drawing | 03 | 0 | NS |
| Drawing | 07 | 21 | BXI – 11 (-5, 55.2W) |
| Drawing | 08 | 0 | NS |
| Drawing | 09 | 0 | NS |
| Drawing | 13 | 0 | NS |
| Drawing | 15 | 18 | BXI – 8 (11, 42.3E) |
| Drawing | 21 | 0 | NS |
| Drawing | 22 | 0 | NS |
| Drawing | 23 | 0 | NS |
| Drawing | 24 | 0 | NS |
| Drawing | 26 | 0 | NS |
| Drawing | 28 | 0 | NS |
| Drawing | 31 | 0 | NS |
