Daily Sunspot Evaluation
Observation Sheet Friday, 1 February 1985
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)
- 12
- Relative number (R)
- 32
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19850201.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | CRC – 9 | 12 | 08W | 265 | 09W | 3.5 | |
| 2 | BRX – 3 | -14 | 41W | 298 | 42W | 1.5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.