Daily Sunspot Evaluation
Observation Sheet Saturday, 29 March 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)
- 12
- Number of spots (f)
- 90
- Relative number (R)
- 210
- Observer
- TÖ
- Reading
- counts consistent, some coordinates doubtful
- File
- 19800329.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 6 | 54W | 276 | 56W | ||
| 2 | HSX – 2 | 13 | 13W | 235 | 15W | 2 | |
| 3 | DAO – 8 | 8 | 10W | 232 | 12W | 5.5 | |
| 4 | DAI – 20 | 14 | 05W | 227 | 07W | 7.5 | |
| 5 | CRF – 10 | 24 | 05E | 217 | 03E | 2.5 | |
| 6 | BXO – 6 | 9 | 06E | 216 | 04E | 2.5E | |
| 7 | HAI – 7 | 15 | 10E | 212 | 08E | 2.5 | |
| 8 | FKI – 21 | 26 | 44E | 178 | 42E | 12 | |
| 9 | ? – 3 | -26 | 74W | 296 | 76W | 10 | |
| 10 | DJO – 6 | -28 | 04E | 211 ⚠ | 02E | 9.5 | |
| 11 | HAX – 5 | -13 | 37E | 185 | 35E | 7 | |
| 12 | ? – 1 | -11 | 86E | 136 | 84E | 5 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.