Daily Sunspot Evaluation
Observation Sheet Wednesday, 19 March 2003
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 3
- Number of spots (f)
- 12
- Relative number (R)
- 42
- Observer
- SB0
- Reading
- counts consistent, some coordinates doubtful
- File
- 20030319.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 3 | 4 | 79W | 83 | 81W | ~5 | 56 |
| 2 | HS – 1 | -11 | 60E | 56 ⚠ | 58E | ~0.5 | 64 |
| 3 | EAO – 8 | -16 | 59W | 63 | 61W | 14 | 63 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.