Daily Sunspot Evaluation
Observation Sheet Tuesday, 11 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
- MB
- Reading
- all checks consistent
- File
- 20030311.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 12 | 65W | 174 | 67W | ~3.5 | 48 |
| 2 | CRI – 10 | 15 | 29W | 138 | 31W | ~4.5 | 59 |
| 3 | HH – 4 | 5 | 29E | 80 | 27E | ~4.5 | 56 |
| 4 | AX – 3 | 8 | 43E | 66 | 41E | ~1 | 58 |
| 5 | CRO – 5 | -14 | 62W | 171 | 64W | ~7.5 | 51 |
| 6 | DAI – 10 | -13 | 27E | 82 | 25E | 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.