Daily Sunspot Evaluation
Observation Sheet Tuesday, 28 November 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)
- 5
- Number of spots (f)
- 11
- Relative number (R)
- 61
- Observer
- ED
- Reading
- all checks consistent
- File
- 19721128.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | J – 2 | -12 | 27E | 259 | |||
| 2 | H – 6 | -4 | 12W | 298 | |||
| 3 | J – 1 | -10 | 37W | 323 | |||
| 4 | J – 1 | -6 | 80W | 6 | |||
| 5 | A – 1 | 14 | 50W | 336 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.