Daily Sunspot Evaluation
Observation Sheet Wednesday, 12 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)
- 6
- Number of spots (f)
- 33
- Relative number (R)
- 93
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20030312.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 11 | 77W | 173 | 80W | ~5 | 48 |
| 2 | CAI – 12 | 14 | 43W | 139 | 46W | ~5 | 59 |
| 3 | HH – 6 | 5 | 17E | 79 | 14E | ~6 | 56 |
| 4 | AX – 1 | 8 | 29E | 67 | 26E | - | 58 |
| 5 | ? – 4 | -19 | 79W | 175 | 82W | ~7 | 51 |
| 6 | DAO – 9 | -13 | 14E | 82 | 11E | 7 | 57 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.