Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 October 1972
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)
- 7
- Number of spots (f)
- 37
- Relative number (R)
- 107
- Observer
- ED
- Reading
- all checks consistent
- File
- 19721024.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 16 | -12 | 72E | 314 | 716 | ||
| 2 | J – 1 | -3 | 37E | 349 | J1 | ||
| 3 | G – 2 | -16 | 41E | 345 | G2 | ||
| 4 | C – 6 | -15 | 00 | 26 | C6 | ||
| 5 | H – 5 | -15 | 30W | 56 | H5 | ||
| 6 | B – 3 | -8 | 29W | 55 | B3 | ||
| 7 | D – 4 | -8 | 40W | 66 | D4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.