Daily Sunspot Evaluation
Observation Sheet Monday, 31 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)
- 8
- Relative number (R)
- 28
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19940131.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 2 | 62E | 25 | 60E | 1.5 | 18 |
| 2 | DAO – 7 | -18 | 06E | 81 | 04E | 5 | 19 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.