Daily Sunspot Evaluation
Observation Sheet Friday, 8 March 2002
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)
- 49
- Relative number (R)
- 109
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20020308.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 3 | 4 | 75W | 1 | 77W | ~8 | |
| 2 | HS – 1 | 18 | 65E | 221 | 63E | 2 | |
| 3 | DAO – 14 | -6 | 30W | 316 | 32W | 9 | |
| 4 | DSS – 9 | -23 | 02W | 288 | 04W | 4.5 | |
| 5 | DAO – 17 | -11 | 02E | 284 | 00 | ~5.5 | |
| 6 | HS – 5 | -4 | 17E | 269 | 15E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.