Daily Sunspot Evaluation
Observation Sheet Tuesday, 2 September 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)
- 110
- Relative number (R)
- 250
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800902.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HAK – 1 | 10 | 68W | 13 | 70W | 1 | |
| 2 | DAO – 3 | 23 | 43W | 348 | 45W | 7.5 | |
| 3 | EKI – 19 | 12 | 08E | 297 | 06E | 12.5 | |
| 4 | CAI – 12 | 22 | 37E | 268 | 35E | 7 | |
| 5 | BRO – 2 | 14 | 53E | 252 | 51E | 4 | |
| 6 | ? – 2 | 13 | 76E | 229 | 74E | 2 | |
| 7 | DAI – 3 | 26 | 78E | 227 | 76E | 7 | |
| 8 | DAI – 3 | 17 | 81E | 224 | 79E | - | |
| 9 | BXO – 3 | -15 | 68W | 13 | 70W | 4.5 | |
| 10 | EKO – 6 | -27 | 57W | 2 | 59W | 14 | |
| 11 | AXX – 3 | -15 | 38W | 343 | 40W | 2.25 | |
| 12 | EKI – 48 | -7 | 06E | 299 | 04E | 12 | |
| 13 | HAY – 3 | -5 | 18E | 287 | 16E | 3.5 | |
| 14 | AXX – 2 | -10 | 45E | 260 | 43E | 0.75 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.