Daily Sunspot Evaluation
Observation Sheet Friday, 16 November 1990
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)
- 6
- Number of spots (f)
- 63
- Relative number (R)
- 123
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19901116.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 3 | 16 | 75W | 149 | 77W | 6 | 517 |
| 2 | DAO – 7 | 7 | 59W | 133 | 61W | 8 | 524 |
| 3 | AX – 1 | 24 | 23E | 51 | 21E | - | 534 |
| 4 | FKC – 30 | 19 | 49E | 25 | 47E | 23.5 | 532 |
| 5 | CKO – 4 | -32 | 51W | 125 | 53W | 13 | 529 |
| 6 | BRI – 18 | -22 | 26W | 100 | 28W | 6 | 531 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.