Daily Sunspot Evaluation
Observation Sheet Thursday, 14 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)
- 11
- Number of spots (f)
- 134
- Relative number (R)
- 244
- Observer
- SB0
- Reading
- all checks consistent
- File
- 19991014.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HH – 1 | 21 | 77W | 42 | 80W | 4 | |
| 2 | AX – 2 | 15 | 69W | 34 | 72W | 3 | |
| 3 | AX – 1 | 24 | 33W | 358 | 36W | - | |
| 4 | CSO – 5 | 19 | 29W | 352 | 30W | 4 | |
| 5 | CSI – 10 | 10 | 07E | 318 | 04E | ~3.5 | |
| 6 | EHC – 25 | 23 | 11E | 314 | 08E | 12 | |
| 7 | ESI – 21 | 12 | 15E | 310 | 12E | 11 | Bxi-21 |
| 8 | DAI – 18 | 20 | 26E | 299 | 23E | 9 | |
| 9 | EKC – 48 | 12 | 34E | 291 | 31E | ~14.5 | |
| 10 | BXO – 2 | 18 | 45E | 280 | 42E | 3.5 | |
| 11 | AX – 1 | -23 | 41W | 6 | 44W | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.