Daily Sunspot Evaluation
Observation Sheet Friday, 7 October 1983
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)
- 64
- Relative number (R)
- 114
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19831007.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BRX – 3 | 18 | 13E | 139 | 10E | 1 | 302 |
| 2 | EFKC – 48 | 6 | 18E | 134 | 15E | 15.5 | 303 |
| 3 | HAX – 2 | 13 | 38E | 114 | 35E | 2.25 | 304 |
| 4 | BRO – 5 | -15 | 04E | 148 | 01E | 3 | 305 |
| 5 | DAO – 6 | -5 | 61E | 91 | 58E | 45 | 306 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.