Daily Sunspot Evaluation
Observation Sheet Thursday, 11 October 1984
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)
- 2
- Number of spots (f)
- 13
- Relative number (R)
- 33
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19841011.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAI – 5 | -25 | 31W | 340 | 39W | 55 | 182 |
| 2 | CRO – 8 | -8 | 15E | 294 | 12E | 4 | 183 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.