Daily Sunspot Evaluation
Observation Sheet Tuesday, 16 August 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)
- 7
- Number of spots (f)
- 83
- Relative number (R)
- 153
- Observer
- HÇ
- Reading
- all checks consistent
- File
- 19880816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | DAO – 5 | 21 | 86W | 210 | 89W | 8 | 165 |
| 2 | DKC – 30 | 15 | 37W | 161 | 40W | 10 | 170 |
| 3 | DAI – 20 | 23 | 33W | 157 | 36W | 8.25 | 171 |
| 4 | BRI – 9 | 22 | 25W | 149 | 28W | 5.75 | 178 |
| 5 | BRO – 11 | 24 | 31E | 93 | 28E | 8.25 | 175 |
| 6 | AK – 2 | -20 | 51W | 175 | 54W | 1 | 168 |
| 7 | HK – 6 | -22 | 27W | 151 | 30W | 4 | 0 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.