Daily Sunspot Evaluation
Observation Sheet Wednesday, 23 August 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)
- 6
- Number of spots (f)
- 54
- Relative number (R)
- 114
- Observer
- FA
- Reading
- all checks consistent
- File
- 19720823.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | D – 18 | 10 | 13E | 112 | |||
| 2 | J – 2 | -18 | 62E | 63 | |||
| 3 | H – 9 | -15 | 47E | 78 | |||
| 4 | C – 11 | -4 | 15E | 110 | |||
| 5 | J – 6 | -24 | 40W | 165 | |||
| 6 | B – 8 | -12 | 57W | 182 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.