Daily Sunspot Evaluation
Observation Sheet Monday, 26 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)
- 89
- Relative number (R)
- 179
- Observer
- HE
- Reading
- counts consistent, some coordinates doubtful
- File
- 19880926.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | OAF – 14 | 19 | 25W | 122 ⚠ | 27W | 6 | 244 |
| 2 | EAR – 29 | 28 | 14W | 316 | 16W | 13 | 237 |
| 3 | DSG – 10 | 22 | 10W | 312 | 12W | 4.7 | 239 |
| 4 | BAG – 9 | 22 | 01E | 301 | 01W | 7.5 | 240 |
| 5 | DKC – 16 | 20 | 48E | 258 ⚠ | 44E | 6.5 | 247 |
| 6 | DSO – 7 | -17 | 55W | 357 | 57W | 6 | 230 |
| 7 | HK – 1 | -38 | 41W | 343 | 43W | 2 | 232 |
| 8 | AH – 2 | -20 | 45E | 257 | 43E | 1 | 248 |
| 9 | ? – 1 | -25 | 80E | 222 | 78E | 249 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.