Daily Sunspot Evaluation
Observation Sheet Monday, 14 September 1998
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)
- 8
- Number of spots (f)
- 50
- Relative number (R)
- 130
- Observer
- YK
- Reading
- all checks consistent
- File
- 19980914.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | ? – 1 | 13 | 83W | 221 | 85W | - | 208 209 |
| 2 | EAO – 3 | 14 | 66W | 204 | 68W | 12 | 20300 |
| 3 | EAI – 26 | 27 | 13W | 151 | 15W | 15 | 204 203 |
| 4 | BXO – 4 | -24 | 68W | 206 | 70W | 6 | 205 208 |
| 5 | HS – 3 | -17 | 57W | 192 | 56W | 1 | 205 208 |
| 6 | AX – 1 | -21 | 30W | 168 | 32W | - | 211 210 |
| 7 | HS – 1 | -23 | 18W | 156 | 20W | 1 | 206 205 |
| 8 | DAO – 11 | -22 | 49E | 89 | 47E | 9.5 | 210 209 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.