Daily Sunspot Evaluation
Observation Sheet Tuesday, 5 February 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)
- 9
- Number of spots (f)
- 93
- Relative number (R)
- 183
- Observer
- HM
- Reading
- all checks consistent
- File
- 19800205.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HSX – 1 | 15 | 56W | 256 | 58W | 3 | |
| 2 | DKO – 10 | 14 | 35W | 235 | 37W | 10 | |
| 3 | DRI – 10 | 21 | 12W | 212 | 14W | 5.5 | |
| 4 | CSO – 5 | 18 | 04E | 196 | 02E | 6.5 | |
| 5 | CSO – 5 | 3 | 05E | 195 | 03E | 4.5 | |
| 6 | DSI – 6 | 27 | 48E | 152 | 46E | 8 | |
| 7 | BXX – 4 | -26 | 38N | 238 | 40W | 1 | |
| 8 | FKC – 39 | -15 | 06W | 206 | 08W | 17 | |
| 9 | FKI – 13 | -12 | 77E | 123 | 75E | 16 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.