Daily Sunspot Evaluation
Observation Sheet Friday, 4 May 2001
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)
- 8
- Number of spots (f)
- 101
- Relative number (R)
- 181
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20010504.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAI – 10 | 6 | 50W | 81 | 52W | ~11 | |
| 2 | EKC – 24 | 12 | 32W | 63 | 34W | 11.5 | |
| 3 | HA – 2 | 27 | 34W | 65 | 36W | 11.5 | |
| 4 | EAC – 46 | 25 | 05E | 26 | 03E | 20 | |
| 5 | BXI – 4 | 5 | 06E | 25 | 04E | 3 | |
| 6 | HA – 7 | 22 | 45E | 346 | 43E | 5.5 | |
| 7 | BXI – 7 | -3 | 01E | 30 | 01W | 1.5 | |
| 8 | HS – 1 | -16 | 54E | 337 | 52E | ~2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.