Daily Sunspot Evaluation
Observation Sheet Saturday, 25 May 1968
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)
- 10
- Number of spots (f)
- 92
- Relative number (R)
- 192
- Observer
- AT
- Reading
- all checks consistent
- File
- 19680525.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | A – 7 | 27 | 66E | 14 | |||
| 2 | J – 3 | 16 | 41E | 39 | |||
| 3 | J – 2 | 19 | 73E | 7 | |||
| 4 | J – 1 | -18 | 68E | 12 | |||
| 5 | A – 1 | -8 | 3E | 77 | |||
| 6 | B – 5 | -30 | 1W | 81 | |||
| 7 | E – 15 | -15 | 30W | 110 | |||
| 8 | H – 1 | -30 | 58W | 138 | |||
| 9 | J – 2 | 9 | 72W | 152 | |||
| 10 | E – 55 | 25 | 25W | 105 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.