Daily Sunspot Evaluation
Observation Sheet Friday, 4 August 2000
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)
- 11
- Number of spots (f)
- 37
- Relative number (R)
- 147
- Observer
- AK0
- Reading
- all checks consistent
- File
- 20000804.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 4 | 15 | 24W | 56 | 27W | 1 | |
| 2 | HS – 1 | 17 | 17W | 49 | 20W | 2 | |
| 3 | HR – 1 | 10 | 07W | 39 | 10W | 0.5 | |
| 4 | HA – 5 | 12 | 64E | 328 | 61E | ~9 | |
| 5 | ? – 3 | 17 | 80E | 312 | 77E | ? | |
| 6 | HR – 1 | -19 | 70W | 102 | 73W | 0.5 | |
| 7 | HS – 3 | -19 | 33W | 65 | 36W | 2 | |
| 8 | DAO – 10 | -27 | 29W | 61 | 32W | 9.5 | |
| 9 | HA – 4 | -16 | 05W | 37 | 08W | 3 | |
| 10 | HS – 3 | -20 | 13E | 19 | 10E | 1 | |
| 11 | HA – 2 | -12 | 76E | 316 | 73E | 2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.