Daily Sunspot Evaluation
Observation Sheet Friday, 2 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)
- 5
- Number of spots (f)
- 18
- Relative number (R)
- 68
- Observer
- MB
- Reading
- all checks consistent
- File
- 20010302.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 3 | 11 | 50W | 192 | 51W | ~02 | |
| 2 | HR – 2 | 10 | 57E | 85 | 56E | ~1 | |
| 3 | AX – 2 | -11 | 30W | 172 | 31W | 1.5 | |
| 4 | CRO – 5 | -9 | 16E | 126 | 15E | ~4 | |
| 5 | DRO – 6 | -25 | 46E | 96 | 45E | ~7 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.