Daily Sunspot Evaluation
Observation Sheet Tuesday, 28 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)
- 11
- Number of spots (f)
- 110
- Relative number (R)
- 220
- Observer
- MB
- Reading
- counts consistent, some coordinates doubtful
- File
- 19891128.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | 11 | 76W | 129 | 77W | 5 | 406 |
| 2 | CAI – 3 | 24 | 70W | 123 | 71W | 19 | 432 |
| 3 | EKC – 25 | 26 | 24W | 77 | 25W | 10.5 | 444 |
| 4 | HK – 2 | 43 | 17W | 70 | 18W | 3 | 473 |
| 5 | DKC – 10 | 18 | 19E | 34 | 18E | 7.5 | 499 |
| 6 | CAI – 9 | 15 | 29E | 24 | 28E | 5 | 520 |
| 7 | EKI – 23 | -5 | 40W | 93 | 41W | 13 | 476 |
| 8 | DKI – 17 | -15 | 15W | 68 | 16W | 8 | 479 |
| 9 | HA – 1 | -11 | 14W | 57 ⚠ | 15W | 1.5 | 497 |
| 10 | EAC – 17 | -17 | 53E | 0 | 52E | 14 | 501 |
| 11 | DAO – 2 | -16 | 75E | 338 | 74E | 8 | 522 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.