Monthly Sunspot Classification and Coordinates
March 2021 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 01 | 11 | AX_ – 1 (-31, 21.1E) |
| Drawing | 02 | 13 | AX_ – 3 (-31, 08.7E) |
| Drawing | 03 | 33 | DSI – 8 (-32, 03.7W), CSI – 5 (-19, 40E) |
| Drawing | 04 | 37 | DRO – 7 (-31, 16.9W), DAO – 10 (-19, 25.9E) |
| Drawing | 05 | 14 | BXO – 4 (-18, 11.9E) |
| Drawing | 06 | 0 | NS |
| Drawing | 08 | 11 | BXO – 1 (-31, 66.1W) |
| Drawing | 09 | 25 | ?__ – 1 (18, 80.7E), BXI – 4 (-19, 39.5W) |
| Drawing | 10 | 11 | AX_ – 1 (19, 63.5E) |
| Drawing | 12 | 13 | CAO – 3 (19, 42.4E) |
| Drawing | 13 | 12 | AX_ – 2 (18, 25.9E) |
| Drawing | 15 | 36 | AX_ – 2 (18, 08.3E), AX_ – 2 (-20, 28W), AX_ – 2 (-29, 13.4W) |
| Drawing | 16 | 22 | AX_ – 1 (19, 06.9W), HR_ – 1 (16, 73.9E) |
| Drawing | 18 | 13 | HA_ – 3 (19, 46.5E) |
| Drawing | 20 | 13 | BXI – 3 (17, 23.6E) |
| Drawing | 22 | 23 | BXO – 2 (19, 55.9E), ?__ – 1 (20, 74.6E) |
| Drawing | 24 | 28 | CRI – 7 (19, 30.6E), HH_ – 1 (20, 50.4E) |
| Drawing | 25 | 27 | DAO – 6 (19, 15.4E), HS_ – 1 (20, 36.6E) |
| Drawing | 27 | 11 | HR_ – 1 (21, 13.3E) |
| Drawing | 29 | 11 | HR_ – 1 (21, 13.5W) |
| Drawing | 31 | 0 | NS |
