Daily Sunspot Evaluation
Observation Sheet Saturday, 6 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)
- 78
- Relative number (R)
- 148
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19930206.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 14 | 4 | 20W | 166 | 23W | 8 | 31 |
| 2 | EKC – 30 | 16 | 29E | 117 | 26E | 13.5 | 29 |
| 3 | DAO – 7 | 11 | 35E | 111 | 32E | 10 | 28 |
| 4 | CRO – 6 | -12 | 71W | 217 | 74W | 7 | 35 |
| 5 | AX – 1 | -15 | 48W | 194 | 51W | - | 34 |
| 6 | HA – 2 | -10 | 22E | 124 | 19E | 1 | 30 |
| 7 | EKI – 18 | -8 | 60E | 86 | 57E | 11 | 33 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.