Daily Sunspot Evaluation
Observation Sheet Tuesday, 4 January 1977
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)
- 3
- Number of spots (f)
- 7
- Relative number (R)
- 37
- Observer
- GA
- Reading
- all checks consistent
- File
- 19770104.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 4 | 43E | 271 | 41E | ||
| 2 | J – 1 | -20 | 68W | 22 | 70W | ||
| 3 | D – 5 | 31 | 68W | 22 | 70W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.