Daily Sunspot Evaluation
Observation Sheet Monday, 16 August 1999
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)
- 5
- Number of spots (f)
- 21
- Relative number (R)
- 71
- Observer
- TÇ
- Reading
- all checks consistent
- File
- 19990816.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | HK – 10 | 23 | 52E | 332 | 49E | 8 | |
| 2 | ? – 1 | -13 | 72W | 96 | 75W | - | |
| 3 | HS – 2 | -16 | 68W | 92 | 71W | ~3 | |
| 4 | BXO – 6 | -11 | 19W | 43 | 22W | 3.5 | Cro-6 |
| 5 | BXO – 2 | -20 | 22E | 2 | 19E | 5 | Cro-2 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.