Daily Sunspot Evaluation
Observation Sheet Sunday, 2 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)
- 11
- Number of spots (f)
- 33
- Relative number (R)
- 143
- Observer
- TÖ
- Reading
- all checks consistent
- File
- 19800302.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AXX – 1 | 5 | 38W | 254 | 39W | - | |
| 2 | DSO – 6 | 2 | 13E | 203 | 12E | 3 | |
| 3 | AXX – 2 | 18 | 29E | 187 | 28E | 1 | |
| 4 | CSI – 2 | 10 | 61E | 155 | 60E | 2 | |
| 5 | HAX – 2 | -27 | 69W | 285 | 70W | 6 | |
| 6 | HJX – 1 | -10 | 58W | 274 | 59W | 2 | |
| 7 | BRO – 8 | -25 | 12W | 228 | 13W | 55 | |
| 8 | CJO – 5 | -12 | 06W | 222 | 07W | 2.5 | |
| 9 | HSX – 3 | -18 | 12E | 204 | 11E | 1.5 | |
| 10 | AXX – 1 | -9 | 18E | 198 | 17E | - | |
| 11 | ? – 2 | -10 | 77E | 139 | 76E | 10 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.