Daily Sunspot Evaluation
Observation Sheet Monday, 2 January 1961
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)
- 89
- Relative number (R)
- 139
- Observer
- BG
- Reading
- all checks consistent
- File
- 19610102.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 5 | 21 | 54E | ||||
| 2 | J – 2 | -14 | 40E | ||||
| 3 | A – 3 | -6 | 14W | ||||
| 4 | D – 4 | 10 | 59W | ||||
| 5 | F – 75 | 17 | 20W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.