Daily Sunspot Evaluation
Observation Sheet Tuesday, 31 January 1995
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)
- 31
- Relative number (R)
- 61
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19950131.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 16 | -20 | 63W | 12 | 65W | 9 | 11 |
| 2 | CRI – 6 | -18 | 41E | 268 | 39E | 8.5 | 9 |
| 3 | CAO – 9 | -15 | 70E | 239 | 68E | 9.5 | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.