Daily Sunspot Evaluation
Observation Sheet Saturday, 4 September 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)
- 10
- Relative number (R)
- 40
- Observer
- GA
- Reading
- all checks consistent
- File
- 19760904.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 1 | 09E | 115 | 06E | ||
| 2 | H – 8 | 16 | 05W | 129 | 08W | ||
| 3 | A – 1 | 34 | 27W | 151 | 30W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.