Daily Sunspot Evaluation
Observation Sheet Tuesday, 7 August 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)
- 11
- Number of spots (f)
- 98
- Relative number (R)
- 208
- Observer
- ıH
- Reading
- all checks consistent
- File
- 20010807.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 5 | 32W | 247 | 35W | ~1 | |
| 2 | EKC – 34 | 25 | 25W | 240 | 28W | ~13.5 | |
| 3 | DAC – 13 | 17 | 10W | 225 | 13W | 9.5 | |
| 4 | HA – 2 | 7 | 76E | 139 | 73E | 2 | |
| 5 | DKC – 16 | -20 | 68W | 283 | 71W | ~10 | |
| 6 | AX – 1 | -21 | 55W | 270 | 58W | - | |
| 7 | DAO – 7 | -14 | 49W | 264 | 52W | ~7 | |
| 8 | HA – 1 | -11 | 39W | 254 | 42W | 1 | |
| 9 | DAC – 15 | -17 | 05W | 220 | 08W | 6.5 | |
| 10 | HK – 4 | -10 | 56E | 159 | 53E | ~7 | |
| 11 | HR – 2 | -17 | 57E | 158 | 54E | ~2.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.