Monthly Sunspot Classification and Coordinates
April 2019 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 01 | 17 | CSO – 7 (13, 36.6E) |
| Drawing | 02 | 20 | DRI – 10 (12, 24.5E) |
| Drawing | 03 | 22 | BXI – 12 (12, 10.3E) |
| Drawing | 04 | 0 | NS |
| Drawing | 05 | 13 | AX_ – 3 (14, 11.9W) |
| Drawing | 06 | 11 | AX_ – 1 (12, 24.1W) |
| Drawing | 07 | 11 | HS_ – 1 (3, 79.5E) |
| Drawing | 08 | 12 | HH_ – 2 (7, 71E) |
| Drawing | 09 | 11 | HH_ – 1 (5, 55.5E) |
| Drawing | 11 | 11 | HH_ – 1 (6, 27.7E) |
| Drawing | 12 | 22 | HH_ – 1 (5, 17.8E), AX_ – 1 (4, 21.8E) |
| Drawing | 13 | 22 | HH_ – 1 (6, 03.6E), AX_ – 1 (6, 07.2E) |
| Drawing | 14 | 15 | CSI – 5 (5, 12.3W) |
| Drawing | 16 | 11 | HH_ – 1 (6, 39.8W) |
| Drawing | 17 | 23 | HS_ – 1 (5, 53.3W), AX_ – 2 (4, 11.8W) |
| Drawing | 18 | 26 | HH_ – 2 (6, 65.7W), DRI – 4 (5, 26.8W) |
| Drawing | 19 | 23 | HS_ – 1 (6, 76.8W), BXO – 2 (5, 38.9W) |
| Drawing | 20 | 11 | AX_ – 1 (5, 55.2W) |
| Drawing | 21 | 11 | AX_ – 1 (5, 69.5W) |
| Drawing | 22 | 0 | NS |
| Drawing | 23 | 0 | NS |
| Drawing | 24 | 0 | NS |
| Drawing | 25 | 0 | NS |
| Drawing | 26 | 0 | NS |
| Drawing | 27 | 0 | NS |
| Drawing | 28 | 0 | NS |
| Drawing | 29 | 0 | NS |
| Drawing | 30 | 0 | NS |
