Daily Sunspot Evaluation
Observation Sheet Monday, 30 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)
- 5
- Number of spots (f)
- 67
- Relative number (R)
- 117
- Observer
- HM
- Reading
- all checks consistent
- File
- 19721030.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | B – 2 | 16 | 19E | 289 | |||
| 2 | D – 6 | -9 | 30E | 278 | |||
| 3 | F – 56 | -12 | 07W | 315 | |||
| 4 | A – 1 | -17 | 42W | 350 | |||
| 5 | J – 2 | -9 | 43W | 351 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.