Daily Sunspot Evaluation
Observation Sheet Thursday, 1 August 1985
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)
- 2
- Number of spots (f)
- 21
- Relative number (R)
- 41
- Observer
- TS
- Reading
- all checks consistent
- File
- 19850801.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 13 | 6 | 10E | 19 | 7E | 10 3 | |
| 2 | CAO – 8 | -14 | 26E | 3 | 23E | 2.5 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.