Daily Sunspot Evaluation
Observation Sheet Monday, 4 October 1976
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)
- 5
- Relative number (R)
- 35
- Observer
- FA
- Reading
- all checks consistent
- File
- 19761004.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | -26 | 42W | 128 | 44W | ||
| 2 | ? – 1 | 17 | 43W | 130 | 45W | ||
| 3 | ? – 3 | 33 | 43W | 130 | 45W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.