Daily Sunspot Evaluation
Observation Sheet Thursday, 16 November 1989
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)
- 10
- Number of spots (f)
- 99
- Relative number (R)
- 199
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19891116.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 5 | 17 | 80W | 291 | 82W | 10 | 437 |
| 2 | AX – 1 | 20 | 67W | 278 | 69W | - | 463 |
| 3 | AX – 2 | 27 | 60W | 271 | 62W | - | 475 |
| 4 | CKI – 22 | 12 | 38W | 249 | 40W | 12 | 496 |
| 5 | BRI – 8 | 10 | 29E | 182 | 21E | 5 | 499 |
| 6 | HA – 1 | 29 | 61E | 150 | 59E | 2 | 500 |
| 7 | CAI – 46 | -21 | 05W | 216 | 07W | 13 | 501 |
| 8 | AX – 1 | -14 | 03E | 208 | 01E | - | 504 |
| 9 | DKI – 11 | -26 | 13E | 198 | 11E | 10 | 505 |
| 10 | AX – 2 | -9 | 69E | 142 | 67E | - | 506 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.