Daily Sunspot Evaluation
Observation Sheet Friday, 14 October 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)
- 12
- Number of spots (f)
- 38
- Relative number (R)
- 158
- Observer
- SG0
- Reading
- all checks consistent
- File
- 19881014.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 1 | 23 | 66W | 131 | 69W | 2.5 | 260 |
| 2 | DAI – 9 | 13 | 26W | 91 | 29W | 3.5 | 264 |
| 3 | AR – 2 | 24 | 26E | 39 | 23E | 0.5 | 277 |
| 4 | HA – 3 | 19 | 31E | 34 | 28E | 1.5 | 271 |
| 5 | CAE – 10 | 20 | 41E | 24 | 38E | 4 | 272 |
| 6 | AX – 1 | 15 | 73E | 352 | 70E | 278 | |
| 7 | AR – 1 | -16 | 63W | 128 | 66W | 273 | |
| 8 | AR – 1 | -22 | 53W | 118 | 56W | 279 | |
| 9 | BRO – 3 | -31 | 18W | 83 | 21W | 5.5 | 266 |
| 10 | AR – 2 | -20 | 05W | 68 | 08W | 1.5 | 275 |
| 11 | HA – 2 | -11 | 02E | 63 | 01W | 2 | 276 |
| 12 | AR – 3 | -23 | 14E | 51 | 11W | 0.5 | 247 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.