Daily Sunspot Evaluation
Observation Sheet Saturday, 2 February 2002
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)
- 10
- Number of spots (f)
- 95
- Relative number (R)
- 195
- Observer
- HE
- Reading
- all checks consistent
- File
- 20020202.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | EAC – 28 | 7 | 39W | 51 | 39W | 15 | |
| 2 | AX – 2 | 12 | 08W | 22 | 10W | 2 | |
| 3 | DSO – 3 | 10 | 15E | 359 | 13E | 4.5 | |
| 4 | CAI – 8 | 16 | 37E | 337 | 35E | 5 | |
| 5 | ? – 1 | 9 | 77E | 297 | 75E | ||
| 6 | HS – 2 | -3 | 20W | 34 | 22W | 2.5 | |
| 7 | AX – 3 | -7 | 20W | 34 | 22W | 1 | |
| 8 | EKC – 36 | -15 | 09W | 23 | 11W | 11 | |
| 9 | EAO – 10 | -27 | 48E | 326 | 46E | 14 | |
| 10 | DAO – 2 | -6 | 53E | 321 | 51E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.