Daily Sunspot Evaluation
Observation Sheet Saturday, 2 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)
- 8
- Number of spots (f)
- 11
- Relative number (R)
- 91
- Observer
- TA
- Reading
- counts consistent, some coordinates doubtful
- File
- 19991002.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HR – 2 | 20 | 04E | 115 | 07E | 0.5 | |
| 2 | HA – 2 | 13 | 39E | 85 | 32E | 1 | |
| 3 | ? – 1 | 21 | 72E | 47 | 25E | - | |
| 4 | AX – 1 | -29 | 32W | 161 ⚠ | 39W | 0.5 | |
| 5 | AX – 1 | -28 | 25E | 99 | 23E | - | |
| 6 | AX – 1 | -16 | 26E | 78 ⚠ | 24E | - | |
| 7 | HR – 2 | -12 | 28E | 96 | 26E | 0.5 | |
| 8 | ? – 1 | -21 | 22E | 52 ⚠ | 20E | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.