Daily Sunspot Evaluation
Observation Sheet Sunday, 3 October 1999
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)
- 9
- Number of spots (f)
- 20
- Relative number (R)
- 110
- Observer
- TÇ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19991003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 12 | 26E | 84 | 24E | 1 | |
| 2 | HS – 5 | 19 | 62E | 43 ⚠ | 65E | 9 | |
| 3 | AX – 1 | 16 | 71E | 39 | 69E | - | |
| 4 | AX – 2 | -28 | 52W | 162 | 55W | 3 | |
| 5 | AX – 2 | -28 | 12E | 98 | 10E | 3 | |
| 6 | AX – 1 | -12 | 14E | 96 | 12E | - | |
| 7 | HS – 2 | -22 | 58E | 52 | 56E | ~2 | |
| 8 | CRO – 3 | -19 | 68(E) | 42 | 66(E) | 5 | |
| 9 | ? – 1 | -21 | 74(E) | 34 | 74(E) | -? |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.