Daily Sunspot Evaluation
Observation Sheet Saturday, 10 September 1988
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)
- 33
- Relative number (R)
- 123
- Observer
- TÖ0
- Reading
- all checks consistent
- File
- 19880910.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | AX – 1 | 18 | 60W | 214 | 63W | - | 249+4 |
| 2 | AX – 2 | 29 | 57W | 211 | 60W | 4 | 6+217 |
| 3 | BXO – 2 | 36 | 08E | 146 | 07E | 7.5 | 284+5 |
| 4 | BXO – 11 | 17 | 16E | 138 | 13E | 7.5 | 5+218 |
| 5 | HA – 4 | 33 | 48E | 106 | 45E | 4 | 213 |
| 6 | CSO – 3 | 15 | 63E | 91 | 60E | 6 | 6+219 |
| 7 | HS – 5 | -20 | 10E | 144 | 07E | 5.5 | 210 |
| 8 | BXO – 4 | -14 | 14E | 140 | 11E | 5 | 215 |
| 9 | AX – 1 | -19 | 31E | 123 | 28E | - | 1+220 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.