Daily Sunspot Evaluation
Observation Sheet Tuesday, 27 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)
- 12
- Number of spots (f)
- 72
- Relative number (R)
- 192
- Observer
- SM
- Reading
- counts consistent, some coordinates doubtful
- File
- 19690527.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 2 | 13 | 02E | 294 ⚠ | |||
| 2 | J – 1 | 8 | 66E | 210 | |||
| 3 | J – 2 | 4 | 75E | 201 | |||
| 4 | A – 5 | -28 | 57W | 333 | |||
| 5 | E – 17 | -21 | 64W | 340 | |||
| 6 | H – 9 | -15 | 43W | 319 | |||
| 7 | E – 11 | -13 | 62W | 338 | |||
| 8 | A – 1 | 6 | 75W | 351 | |||
| 9 | B – 5 | 11 | 53W | 329 | |||
| 10 | C – 7 | 9 | 38W | 314 | |||
| 11 | J – 2 | 12 | 24W | 300 | |||
| 12 | C – 10 | 12 | 12W | 288 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.