Daily Sunspot Evaluation
Observation Sheet Sunday, 26 February 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)
- 8
- Number of spots (f)
- 88
- Relative number (R)
- 168
- Observer
- LT
- Reading
- all checks consistent
- File
- 19670226.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | F – 73 | 24 | 14E | 298 | |||
| 2 | A – 2 | 16 | 49E | 263 | |||
| 3 | B – 5 | -15 | 46E | 266 | |||
| 4 | ? – 1 | -23 | 90E | 222 | |||
| 5 | J – 2 | -22 | 1E | 311 | |||
| 6 | ? – 2 | 18 | 70W | 22 | |||
| 7 | J – 2 | 20 | 58W | 10 | |||
| 8 | A – 1 | 24 | 57W | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.