Daily Sunspot Evaluation
Observation Sheet Monday, 7 February 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)
- 4
- Number of spots (f)
- 16
- Relative number (R)
- 56
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19940207.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HS – 1 | 3 | 33W | 28 | 36W | 1.5 | 18 |
| 2 | CAO – 3 | 18 | 08E | 347 | 05E | 7.5 | 21 |
| 3 | DAO – 10 | -13 | 40W | 35 | 48W | 8 | 23 |
| 4 | CRO – 2 | -8 | 23E | 332 | 20E | 2.5 | 24 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.