Monthly Sunspot Classification and Coordinates
April 2007 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 | 04 | 0 | NS |
| Drawing | 05 | 0 | NS |
| Drawing | 06 | 0 | NS |
| Drawing | 08 | 0 | NS |
| Drawing | 09 | 0 | NS |
| Drawing | 10 | 0 | NS |
| Drawing | 12 | 0 | NS |
| Drawing | 13 | 0 | NS |
| Drawing | 14 | 0 | NS |
| Drawing | 15 | 0 | NS |
| Drawing | 16 | 0 | NS |
| Drawing | 17 | 0 | NS |
| Drawing | 18 | 0 | NS |
| Drawing | 20 | 0 | NS |
| Drawing | 21 | 0 | NS |
| Drawing | 22 | 0 | NS |
| Drawing | 24 | 0 | NS |
| Drawing | 25 | 11 | ?__ – 1 (-10, 83E) |
| Drawing | 26 | 13 | Hh_ – 3 (-9, 70E) |
| Drawing | 27 | 18 | Hk_ – 8 (-10, 59E) |
| Drawing | 28 | 22 | Hh_ – 12 (-10, 47E) |
| Drawing | 29 | 18 | Hk_ – 8 (-10, 32E) |
| Drawing | 30 | 32 | Hk_ – 7 (-11, 19E), Dao – 5 (-6, 38E) |
