Daily Sunspot Evaluation
Observation Sheet Monday, 26 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)
- 13
- Number of spots (f)
- 99
- Relative number (R)
- 229
- Observer
- AT
- Reading
- all checks consistent
- File
- 19690526.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 12 | 13 | 01E | 288 | |||
| 2 | A – 1 | 14 | 06E | 283 | |||
| 3 | B – 2 | 12 | 17E | 272 | |||
| 4 | ? – 1 | 7 | 80E | 208 | |||
| 5 | ? – 1 | 3 | 85E | 204 | |||
| 6 | A – 4 | -27 | 45W | 334 | |||
| 7 | H – 11 | -15 | 30W | 320 | |||
| 8 | E – 26 | -21 | 51W | 340 | |||
| 9 | E – 12 | -13 | 48W | 337 | |||
| 10 | J – 1 | 6 | 62W | 351 | |||
| 11 | B – 11 | 11 | 40W | 329 | |||
| 12 | C – 14 | 8 | 22W | 311 | |||
| 13 | A – 3 | 11 | 11W | 300 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.