Daily Sunspot Evaluation
Observation Sheet Tuesday, 8 October 1974
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)
- 51
- Relative number (R)
- 101
- Observer
- FA
- Reading
- all checks consistent
- File
- 19741008.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | E – 25 | 8 | 42E | 280 | 40E | ||
| 2 | B – 3 | 5 | 18E | 304 | 16E | ||
| 3 | B – 15 | -19 | 05E | 317 | 03E | ||
| 4 | D – 7 | -6 | 56W | 18 | 58W | ||
| 5 | A – 1 | 9 | 61W | 23 | 63W |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.