Daily Sunspot Evaluation
Observation Sheet Tuesday, 24 June 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)
- 14
- Number of spots (f)
- 124
- Relative number (R)
- 264
- Observer
- HM
- Reading
- all checks consistent
- File
- 19800624.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HSX – 1 | 16 | 70W | 223 | 73W | 2 | |
| 2 | EKI – 12 | 22 | 61W | 214 | 64W | 13 | |
| 3 | AKX – 1 | 16 | 60W | 213 | 63W | - | |
| 4 | ARX – 1 | 14 | 47E | 106 | 44E | 5 | |
| 5 | ? – 2 | 18 | 83E | 70 | 80E | - | |
| 6 | AKX – 3 | -24 | 56W | 207 | 59W | - | |
| 7 | CAI – 10 | -12 | 32W | 185 | 35W | 9.5 | |
| 8 | HAX – 2 | -21 | 16W | 169 | 19W | 2 | |
| 9 | EKI – 34 | -24 | 11W | 164 | 14W | 18 | |
| 10 | DEI – 21 | -23 | 04W | 157 | 07W | 10 | |
| 11 | AXX – 2 | -12 | 02W | 155 | 05W | - | |
| 12 | HKX – 14 | -13 | 27E | 126 | 24E | 7 | |
| 13 | CSI – 12 | -10 | 36E | 117 | 33E | 8 | |
| 14 | DSO – 9 | -20 | 36E | 117 | 33E | 9 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.