Daily Sunspot Evaluation
Observation Sheet Thursday, 8 March 2001
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)
- 4
- Number of spots (f)
- 35
- Relative number (R)
- 75
- Observer
- SB0
- Reading
- all checks consistent
- File
- 20010308.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 4 | 20 | 77W | 141 | 80W | 6 | |
| 2 | EHC – 21 | 24 | 23W | 87 | 26W | 14 | |
| 3 | DKS – 9 | 9 | 02W | 66 | 05W | 10 | |
| 4 | AX – 1 | -10 | 37E | 27 | 34E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.