Daily Sunspot Evaluation
Observation Sheet Monday, 3 October 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)
- 5
- Number of spots (f)
- 18
- Relative number (R)
- 68
- Observer
- FA
- Reading
- all checks consistent
- File
- 19771003.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | S – 1 | 21 | 22E | 301 | 19E | ||
| 2 | A – 1 | 20 | 65E | 258 | 62E | ||
| 3 | S – 3 | -20 | 16E | 307 | 13E | ||
| 4 | H – 9 | 14 | 22W | 345 | 25W | ||
| 5 | B – 4 | 31 | 17W | 340 | 20W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.