Daily Sunspot Evaluation
Observation Sheet Thursday, 29 May 1969
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)
- 9
- Number of spots (f)
- 37
- Relative number (R)
- 127
- Observer
- SM
- Reading
- all checks consistent
- File
- 19690529.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 1 | 16 | 50E | 199 | |||
| 2 | J – 1 | 8 | 37E | 212 | |||
| 3 | B – 6 | 5 | 44E | 205 | |||
| 4 | J – 1 | -15 | 72E | 177 | |||
| 5 | H – 8 | -15 | 73W | 322 | |||
| 6 | H – 10 | 10 | 67W | 316 | |||
| 7 | A – 1 | 12 | 50W | 299 | |||
| 8 | B – 6 | 13 | 38W | 287 | |||
| 9 | B – 3 | 13 | 25W | 274 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.