Daily Sunspot Evaluation
Observation Sheet Monday, 8 February 1993
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)
- 7
- Number of spots (f)
- 77
- Relative number (R)
- 147
- Observer
- HÇ0
- Reading
- all checks consistent
- File
- 19930208.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 7 | 16 | 62W | 181 | 64W | 9 | 37 |
| 2 | DSO – 9 | 4 | 48W | 167 | 50W | 9.5 | 31 |
| 3 | EKO – 18 | 16 | 01E | 118 | 01W | 12.5 | 29 |
| 4 | CRO – 4 | 11 | 08E | 111 | 06E | 10 | 28 |
| 5 | AX – 3 | 4 | 12E | 107 | 10E | 2 | 36 |
| 6 | CRO – 4 | -9 | 04W | 123 | 06W | 2 | 30 |
| 7 | EKC – 32 | -7 | 34E | 85 | 32E | 13 | 33 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.