Monthly Sunspot Classification and Coordinates
December 2017 Monthly report →
Each group: class – number of spots (B, ΔL). NS: No sunspot.
| Drawing | Day | R | Classification and Coordinates |
|---|---|---|---|
| Drawing | 01 | 11 | HS_ – 1 (13, 82.6W) |
| Drawing | 02 | 0 | NS |
| Drawing | 03 | 0 | NS |
| Drawing | 06 | 15 | AX_ – 5 (8, 06.1W) |
| Drawing | 07 | 11 | AX_ – 1 (7, 21.8W) |
| Drawing | 08 | 0 | NS |
| Drawing | 09 | 0 | NS |
| Drawing | 10 | 13 | AX_ – 3 (-4, 47.8E) |
| Drawing | 11 | 11 | AX_ – 1 (-3, 38.6E) |
| Drawing | 12 | 13 | BXI – 3 (-2, 24.6E) |
| Drawing | 13 | 0 | NS |
| Drawing | 14 | 0 | NS |
| Drawing | 15 | 0 | NS |
| Drawing | 16 | 0 | NS |
| Drawing | 19 | 11 | AX_ – 1 (23, 62.4E) |
| Drawing | 20 | 19 | CRI – 9 (18, 51.7E) |
| Drawing | 24 | 35 | DAI – 13 (17, 00.4E), AX_ – 2 (-10, 08W) |
| Drawing | 25 | 38 | AX_ – 3 (17, 19.1W), CAI – 15 (18, 11.7W) |
| Drawing | 26 | 17 | CAO – 7 (17, 25.9W) |
| Drawing | 27 | 13 | BXO – 3 (17, 39.3W) |
| Drawing | 28 | 0 | NS |
