Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 September 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)
- 7
- Number of spots (f)
- 58
- Relative number (R)
- 128
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 20010904.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 22 | 41W | 247 | 44W | 3 | |
| 2 | EKC – 39 | 14 | 12W | 218 | 15W | 12 | |
| 3 | CAI – 5 | -21 | 67W | 273 | 70W | 8 | |
| 4 | HS – 1 | -18 | 38W | 244 | 41W | -1.5 | |
| 5 | HA – 1 | -9 | 47E | 159 | 44E | 1 | |
| 6 | ESC – 8 | -17 | 54E | 152 | 51E | 11 | |
| 7 | ? – 3 | -16 | 76E | 130 | 73E | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.