Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 February 1998
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)
- 3
- Number of spots (f)
- 23
- Relative number (R)
- 53
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19980224.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRO – 4 | -22 | 47W | 335 | 49W | 5 | 43 24 |
| 2 | BXO – 2 | 22 | 14W | 302 | 16W | 2 | 35 28 |
| 3 | DRC – 17 | 13 | 12E | 276 | 10E | 5 | 36 24 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.