Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 September 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)
- 8
- Number of spots (f)
- 29
- Relative number (R)
- 109
- Observer
- ED
- Reading
- all checks consistent
- File
- 19720905.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 3 | 6 | 05E | 308 | |||
| 2 | A – 1 | -7 | 12E | 301 | |||
| 3 | B – 7 | -9 | 08W | 321 | |||
| 4 | C – 6 | -15 | 30W | 343 | |||
| 5 | D – 7 | -6 | 72W | 25 | |||
| 6 | J – 1 | 17 | 39W | 352 | |||
| 7 | B – 2 | 15 | 17W | 330 | |||
| 8 | A – 2 | 17 | 24W | 337 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.