Daily Sunspot Evaluation
Observation Sheet Friday, 2 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)
- 5
- Number of spots (f)
- 27
- Relative number (R)
- 77
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19901102.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HA – 3 | 6 | 17W | 277 | 20W | 2 | 504 |
| 2 | CAO – 4 | -15 | 65W | 325 | 68W | 10 | 501 |
| 3 | DKI – 13 | -5 | 19E | 241 | 16E | 10 | 509 |
| 4 | CAI – 6 | -19 | 49E | 211 | 46E | 8 | 508 |
| 5 | AX – 1 | -15 | 63E | 197 | 60E | 510 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.