Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 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)
- 12
- Number of spots (f)
- 42
- Relative number (R)
- 162
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19991005.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 2 | 19 | 01W | 85 | 04W | 2.5 | |
| 2 | HA – 1 | 13 | 00 | 84 | 03W | 0.5 | |
| 3 | DAO – 7 | 14 | 18E | 66 | 15E | 4.5 | |
| 4 | HK – 3 | 22 | 40E | 44 | 37E | 3.5 | |
| 5 | AX – 1 | 18 | 47E | 37 | 44E | ||
| 6 | HA – 2 | 14 | 53E | 31 | 50E | 2 | |
| 7 | HB – 1 | 21 | 78E | 6 | 75E | 3 | |
| 8 | CSO – 9 | -27 | 12W | 96 | 15W | 6 | |
| 9 | EBI – 8 | -21 | 35E | 49 | 32E | 11 | |
| 10 | DAI – 6 | -17 | 41E | 43 | 38E | 5 | |
| 11 | HS – 1 | -20 | 50E | 34 | 47E | 1 | |
| 12 | ? – 1 | -24 | 75E | 9 | 72E |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.