Daily Sunspot Evaluation
Observation Sheet Tuesday, 18 January 1994
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)
- 2
- Number of spots (f)
- 12
- Relative number (R)
- 32
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19940118.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 1 | 3 | 40E | 218 | 39E | 2 | 11 |
| 2 | HK – 11 | 9 | 55E | 203 | 54E | 5 | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.