Daily Sunspot Evaluation
Observation Sheet Sunday, 24 August 1980
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)
- 81
- Relative number (R)
- 181
- Observer
- AÖ0
- Reading
- all checks consistent
- File
- 19800824.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | BXO – 6 | 17 | 75W | 140 | 78W | 7.5 | |
| 2 | HKX – 1 | 8 | 70W | 135 | 73W | 1.5 | |
| 3 | EKX – 50 | 20 | 44W | 109 | 47W | 14 | |
| 4 | HAX – 1 | 14 | 06W | 71 | 09W | 1 | |
| 5 | AXX – 3 | 17 | 03E | 62 | 00 | 2 | |
| 6 | BRO – 2 | 23 | 05E | 60 | 02E | 5.5 | |
| 7 | HKX – 8 | 10 | 29E | 36 | 26E | 4 | |
| 8 | ARX – 2 | -7 | 09E | 56 | 06E | 0.75 | |
| 9 | AXX – 1 | -13 | 15E | 50 | 12E | - | |
| 10 | BAO – 7 | -17 | 47E | 18 | 44E | 4 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.