Daily Sunspot Evaluation
Observation Sheet Thursday, 5 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)
- 15
- Relative number (R)
- 85
- Observer
- ED
- Reading
- all checks consistent
- File
- 19721005.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 1 | 16 | 04E | 274 | |||
| 2 | J – 1 | 20 | 36E | 242 | |||
| 3 | B – 4 | -6 | 24E | 254 | |||
| 4 | J – 1 | -9 | 04E | 274 | |||
| 5 | A – 3 | -9 | 61W | 339 | |||
| 6 | J – 1 | 10 | 38W | 316 | |||
| 7 | B – 4 | 17 | 06W | 284 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.