Monthly Sunspot Classification and Coordinates
February 2021 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 02 | 12 | AX_ – 2 (30, 35W) |
| Drawing | 03 | 11 | AX_ – 1 (45, 30.6W) |
| Drawing | 04 | 11 | AX_ – 1 (32, 63.3W) |
| Drawing | 05 | 0 | NS |
| Drawing | 08 | 0 | NS |
| Drawing | 10 | 0 | NS |
| Drawing | 11 | 0 | NS |
| Drawing | 12 | 0 | NS |
| Drawing | 16 | 0 | NS |
| Drawing | 17 | 0 | NS |
| Drawing | 19 | 11 | AX_ – 1 (20, 71.7E) |
| Drawing | 22 | 13 | BXO – 3 (19, 04.4E) |
| Drawing | 23 | 46 | DAI – 13 (18, 08.9W), DAI – 13 (-24, 01.6W) |
| Drawing | 25 | 39 | DSI – 17 (19, 35.8W), CRO – 2 (-22, 30.1W) |
| Drawing | 26 | 24 | DSI – 14 (18, 48W) |
