Daily Sunspot Evaluation
Observation Sheet Monday, 14 October 1991
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)
- 55
- Relative number (R)
- 155
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19911014.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CAO – 3 | 7 | 02W | 12 | 03W | 7 | 565 |
| 2 | CAO – 7 | 17 | 07E | 3 | 06E | 3.5 | 568 |
| 3 | AR – 1 | 2 | 08E | 2 | 07E | 0.5 | 566 |
| 4 | HA – 1 | 6 | 14E | 356 | 13E | 1 | 569 |
| 5 | ? – 7 | 22 | 73E | 297 | 72E | 12 | 575 |
| 6 | HA – 1 | -9 | 67W | 77 | 68W | 1.5 | 560 |
| 7 | DAO – 6 | -11 | 09W | 19 | 10W | 3 | 561 |
| 8 | CAO – 4 | -36 | 09W | 19 | 10W | 3.5 | 578 |
| 9 | HK – 12 | -23 | 02E | 8 | 01E | 5 | 562 |
| 10 | EAO – 13 | -21 | 38E | 332 | 37E | 11.5 | 571 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.