Daily Sunspot Evaluation
Observation Sheet Thursday, 25 May 1967
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)
- 130
- Relative number (R)
- 260
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 76 | 25 | 4°E | 236 | |||
| 2 | ? – 5 | 26 | 68°E | 162 | |||
| 3 | ? – 3 | 22 | 61°E | 169 | |||
| 4 | D – 4 | 13 | 33°E | 197 | |||
| 5 | ? – 3 | 19 | 62°E | 168 | |||
| 6 | H – 2 | 9 | 32°E | 198 | |||
| 7 | C – 3 | -21 | 62°E | 168 | |||
| 8 | C – 17 | -21 | 20°E | 210 | |||
| 9 | H – 5 | -18 | 12°E | 218 | |||
| 10 | A – 3 | -16 | 52°W | 283 | |||
| 11 | B – 2 | 3 | 21°W | 251 | |||
| 12 | H – 5 | 24 | 12°W | 242 | |||
| 13 | H – 2 | 20 | 10°W | 240 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.