Daily Sunspot Evaluation
Observation Sheet Thursday, 14 September 2000
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)
- 4
- Number of spots (f)
- 35
- Relative number (R)
- 75
- Observer
- TA
- Reading
- all checks consistent
- File
- 20000914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 24 | 15 | 22E | 189 | 19E | ~4 | |
| 2 | CRO – 4 | -35 | 53W | 264 | 56W | ~8 | |
| 3 | CRO – 6 | -28 | 42W | 253 | 45W | 5.5 | |
| 4 | AX – 1 | -18 | 23W | 234 | 26W | - |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.