Daily Sunspot Evaluation
Observation Sheet Thursday, 1 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)
- 41
- Relative number (R)
- 101
- Observer
- TA
- Reading
- all checks consistent
- File
- 19901101.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 6 | 61W | 334 | 64W | 1 | 505 |
| 2 | HA – 2 | 6 | 03W | 276 | 06W | 2 | 504 |
| 3 | CAO – 8 | -15 | 52W | 325 | 55W | 11 | 501 |
| 4 | EKO – 21 | -5 | 33E | 240 | 30E | 11 | 509 |
| 5 | DAC – 8 | -19 | 62E | 211 | 59 | 6 | 508 |
| 6 | AX – 1 | -14 | 77E | 196 | 74 | 1 | 510 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.